﻿<?xml version="1.0" encoding="utf-8"?>
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="us-gaap-ci-2004-08-15.xsd#StatementCashFlowsDirect" roleURI="http://www.xbrl.org/us/fr/lr/role/StatementCashFlowsDirect" />
  <roleRef xlink:type="simple" xlink:href="us-gaap-ci-2004-08-15.xsd#StatementCashFlowsIndirect" roleURI="http://www.xbrl.org/us/fr/lr/role/StatementCashFlowsIndirect" />
  <roleRef xlink:type="simple" xlink:href="us-gaap-ci-2004-08-15.xsd#IncomeStatement" roleURI="http://www.xbrl.org/us/fr/lr/role/IncomeStatement" />
  <roleRef xlink:type="simple" xlink:href="us-gaap-ci-2004-08-15.xsd#StatementFinancialPosition" roleURI="http://www.xbrl.org/us/fr/lr/role/StatementFinancialPosition" />
  <calculationLink xlink:type="extended" xlink:role="http://www.xbrl.org/us/fr/lr/role/StatementFinancialPosition" xlink:title="Statement of Financial Position - CI">
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Assets" xlink:label="usfr-pt_Assets" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TotalCurrentAssets" xlink:label="usfr-pt_TotalCurrentAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_Assets" xlink:to="usfr-pt_TotalCurrentAssets" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CashCashEquivalentsShortTermInvestments" xlink:label="usfr-pt_CashCashEquivalentsShortTermInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_CashCashEquivalentsShortTermInvestments" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CashCashEquivalents" xlink:label="usfr-pt_CashCashEquivalents" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CashCashEquivalentsShortTermInvestments" xlink:to="usfr-pt_CashCashEquivalents" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_UnrestrictedCash" xlink:label="usfr-pt_UnrestrictedCash" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CashCashEquivalents" xlink:to="usfr-pt_UnrestrictedCash" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CashEquivalents" xlink:label="usfr-pt_CashEquivalents" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CashCashEquivalents" xlink:to="usfr-pt_CashEquivalents" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ShortTermInvestments" xlink:label="usfr-pt_ShortTermInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CashCashEquivalentsShortTermInvestments" xlink:to="usfr-pt_ShortTermInvestments" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MarketableSecuritiesCurrent" xlink:label="usfr-pt_MarketableSecuritiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_MarketableSecuritiesCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MarketableSecuritiesCurrentTradingSecurities" xlink:label="usfr-pt_MarketableSecuritiesCurrentTradingSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_MarketableSecuritiesCurrent" xlink:to="usfr-pt_MarketableSecuritiesCurrentTradingSecurities" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MarketableSecuritiesCurrentAvailableSaleSecurities" xlink:label="usfr-pt_MarketableSecuritiesCurrentAvailableSaleSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_MarketableSecuritiesCurrent" xlink:to="usfr-pt_MarketableSecuritiesCurrentAvailableSaleSecurities" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MarketableSecuritiesCurrentHeldMaturity" xlink:label="usfr-pt_MarketableSecuritiesCurrentHeldMaturity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_MarketableSecuritiesCurrent" xlink:to="usfr-pt_MarketableSecuritiesCurrentHeldMaturity" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DerivativeAssetsCurrent" xlink:label="usfr-pt_DerivativeAssetsCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_DerivativeAssetsCurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ReceivablesNet" xlink:label="usfr-pt_ReceivablesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_ReceivablesNet" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccountsNotesReceivableNet" xlink:label="usfr-pt_AccountsNotesReceivableNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ReceivablesNet" xlink:to="usfr-pt_AccountsNotesReceivableNet" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccountsReceivableTradeNet" xlink:label="usfr-pt_AccountsReceivableTradeNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccountsNotesReceivableNet" xlink:to="usfr-pt_AccountsReceivableTradeNet" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccountsReceivableTradeGross" xlink:label="usfr-pt_AccountsReceivableTradeGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccountsReceivableTradeNet" xlink:to="usfr-pt_AccountsReceivableTradeGross" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AllowanceDoubtfulAccounts" xlink:label="usfr-pt_AllowanceDoubtfulAccounts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccountsReceivableTradeNet" xlink:to="usfr-pt_AllowanceDoubtfulAccounts" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NotesReceivableNetCurrentPortion" xlink:label="usfr-pt_NotesReceivableNetCurrentPortion" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccountsNotesReceivableNet" xlink:to="usfr-pt_NotesReceivableNetCurrentPortion" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LeasingReceivablesNet" xlink:label="usfr-pt_LeasingReceivablesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ReceivablesNet" xlink:to="usfr-pt_LeasingReceivablesNet" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ContractReceivablesNet" xlink:label="usfr-pt_ContractReceivablesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ReceivablesNet" xlink:to="usfr-pt_ContractReceivablesNet" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_UnbilledReceivablesNetCurrentPortion" xlink:label="usfr-pt_UnbilledReceivablesNetCurrentPortion" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ReceivablesNet" xlink:to="usfr-pt_UnbilledReceivablesNetCurrentPortion" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeTaxesReceivableNet" xlink:label="usfr-pt_IncomeTaxesReceivableNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ReceivablesNet" xlink:to="usfr-pt_IncomeTaxesReceivableNet" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccruedInterest" xlink:label="usfr-pt_AccruedInterest" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ReceivablesNet" xlink:to="usfr-pt_AccruedInterest" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccruedIncome" xlink:label="usfr-pt_AccruedIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ReceivablesNet" xlink:to="usfr-pt_AccruedIncome" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_FinanceReceivablesNet" xlink:label="usfr-pt_FinanceReceivablesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ReceivablesNet" xlink:to="usfr-pt_FinanceReceivablesNet" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherReceivablesNet" xlink:label="usfr-pt_OtherReceivablesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ReceivablesNet" xlink:to="usfr-pt_OtherReceivablesNet" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RelatedPartyReceivablesCurrent" xlink:label="usfr-pt_RelatedPartyReceivablesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_RelatedPartyReceivablesCurrent" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccountsReceivableRelatedPartyCurrent" xlink:label="usfr-pt_AccountsReceivableRelatedPartyCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RelatedPartyReceivablesCurrent" xlink:to="usfr-pt_AccountsReceivableRelatedPartyCurrent" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NotesReceivableRelatedPartyCurrent" xlink:label="usfr-pt_NotesReceivableRelatedPartyCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RelatedPartyReceivablesCurrent" xlink:to="usfr-pt_NotesReceivableRelatedPartyCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DueFromOfficersStockholdersCurrent" xlink:label="usfr-pt_DueFromOfficersStockholdersCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RelatedPartyReceivablesCurrent" xlink:to="usfr-pt_DueFromOfficersStockholdersCurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueFromAffiliatesCurrent" xlink:label="usfr-pt_AmountsDueFromAffiliatesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RelatedPartyReceivablesCurrent" xlink:to="usfr-pt_AmountsDueFromAffiliatesCurrent" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueFromOtherRelatedPartiesCurrent" xlink:label="usfr-pt_AmountsDueFromOtherRelatedPartiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RelatedPartyReceivablesCurrent" xlink:to="usfr-pt_AmountsDueFromOtherRelatedPartiesCurrent" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InventoriesNet" xlink:label="usfr-pt_InventoriesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_InventoriesNet" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InventoriesLIFOReserve" xlink:label="usfr-pt_InventoriesLIFOReserve" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InventoriesNet" xlink:to="usfr-pt_InventoriesLIFOReserve" order="1" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InventoryNetFIFO" xlink:label="usfr-pt_InventoryNetFIFO" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InventoriesNet" xlink:to="usfr-pt_InventoryNetFIFO" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InventoriesRawMaterials" xlink:label="usfr-pt_InventoriesRawMaterials" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InventoryNetFIFO" xlink:to="usfr-pt_InventoriesRawMaterials" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InventoriesWorkProcess" xlink:label="usfr-pt_InventoriesWorkProcess" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InventoryNetFIFO" xlink:to="usfr-pt_InventoriesWorkProcess" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InventoriesFinishedGoods" xlink:label="usfr-pt_InventoriesFinishedGoods" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InventoryNetFIFO" xlink:to="usfr-pt_InventoriesFinishedGoods" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InventoriesSupplies" xlink:label="usfr-pt_InventoriesSupplies" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InventoryNetFIFO" xlink:to="usfr-pt_InventoriesSupplies" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherInventories" xlink:label="usfr-pt_OtherInventories" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InventoryNetFIFO" xlink:to="usfr-pt_OtherInventories" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InventoryObsolescenceReserve" xlink:label="usfr-pt_InventoryObsolescenceReserve" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InventoryNetFIFO" xlink:to="usfr-pt_InventoryObsolescenceReserve" order="6" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredIncomeTaxesCurrentPortion" xlink:label="usfr-pt_DeferredIncomeTaxesCurrentPortion" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_DeferredIncomeTaxesCurrentPortion" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PrepaidExpenses" xlink:label="usfr-pt_PrepaidExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_PrepaidExpenses" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PrepaidInsurance" xlink:label="usfr-pt_PrepaidInsurance" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PrepaidExpenses" xlink:to="usfr-pt_PrepaidInsurance" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PrepaidRent" xlink:label="usfr-pt_PrepaidRent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PrepaidExpenses" xlink:to="usfr-pt_PrepaidRent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherPrepaidExpenses" xlink:label="usfr-pt_OtherPrepaidExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PrepaidExpenses" xlink:to="usfr-pt_OtherPrepaidExpenses" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AssetsHeldSaleCurrent" xlink:label="usfr-pt_AssetsHeldSaleCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_AssetsHeldSaleCurrent" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AssetsDiscontinuedOperationsCurrent" xlink:label="usfr-pt_AssetsDiscontinuedOperationsCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_AssetsDiscontinuedOperationsCurrent" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherCurrentAssets" xlink:label="usfr-pt_OtherCurrentAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalCurrentAssets" xlink:to="usfr-pt_OtherCurrentAssets" order="11" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NoncurrentAssets" xlink:label="usfr-pt_NoncurrentAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_Assets" xlink:to="usfr-pt_NoncurrentAssets" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PropertyPlantEquipmentNet" xlink:label="usfr-pt_PropertyPlantEquipmentNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_PropertyPlantEquipmentNet" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccumulatedDepreciationAmortization" xlink:label="usfr-pt_AccumulatedDepreciationAmortization" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentNet" xlink:to="usfr-pt_AccumulatedDepreciationAmortization" order="1" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PropertyPlantEquipmentGross" xlink:label="usfr-pt_PropertyPlantEquipmentGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentNet" xlink:to="usfr-pt_PropertyPlantEquipmentGross" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LandBuildingsImprovements" xlink:label="usfr-pt_LandBuildingsImprovements" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_LandBuildingsImprovements" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LandLandImprovements" xlink:label="usfr-pt_LandLandImprovements" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LandBuildingsImprovements" xlink:to="usfr-pt_LandLandImprovements" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Land" xlink:label="usfr-pt_Land" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LandLandImprovements" xlink:to="usfr-pt_Land" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LandImprovements" xlink:label="usfr-pt_LandImprovements" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LandLandImprovements" xlink:to="usfr-pt_LandImprovements" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Buildings" xlink:label="usfr-pt_Buildings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LandBuildingsImprovements" xlink:to="usfr-pt_Buildings" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MachineryEquipment" xlink:label="usfr-pt_MachineryEquipment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_MachineryEquipment" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_FurnitureFixtures" xlink:label="usfr-pt_FurnitureFixtures" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_FurnitureFixtures" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OfficeComputerEquipment" xlink:label="usfr-pt_OfficeComputerEquipment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_OfficeComputerEquipment" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Vehicles" xlink:label="usfr-pt_Vehicles" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_Vehicles" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ConstructionProgress" xlink:label="usfr-pt_ConstructionProgress" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_ConstructionProgress" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LeaseholdImprovements" xlink:label="usfr-pt_LeaseholdImprovements" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_LeaseholdImprovements" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CapitalLeasedAssetsGross" xlink:label="usfr-pt_CapitalLeasedAssetsGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_CapitalLeasedAssetsGross" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ComputerSoftwareCostsGross" xlink:label="usfr-pt_ComputerSoftwareCostsGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_ComputerSoftwareCostsGross" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InternalUseComputerSoftware" xlink:label="usfr-pt_InternalUseComputerSoftware" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_InternalUseComputerSoftware" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CapitalizedInterest" xlink:label="usfr-pt_CapitalizedInterest" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_CapitalizedInterest" order="11" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherPropertyPlantEquipment" xlink:label="usfr-pt_OtherPropertyPlantEquipment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PropertyPlantEquipmentGross" xlink:to="usfr-pt_OtherPropertyPlantEquipment" order="12" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CapitalConstructionFund" xlink:label="usfr-pt_CapitalConstructionFund" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_CapitalConstructionFund" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NoncurrentNotesReceivable" xlink:label="usfr-pt_NoncurrentNotesReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_NoncurrentNotesReceivable" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NoncurrentFinancingReceivables" xlink:label="usfr-pt_NoncurrentFinancingReceivables" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_NoncurrentFinancingReceivables" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RelatedPartyReceivablesNonCurrent" xlink:label="usfr-pt_RelatedPartyReceivablesNonCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_RelatedPartyReceivablesNonCurrent" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NotesReceivableRelatedPartyNonCurrent" xlink:label="usfr-pt_NotesReceivableRelatedPartyNonCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RelatedPartyReceivablesNonCurrent" xlink:to="usfr-pt_NotesReceivableRelatedPartyNonCurrent" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DueFromOfficersStockholdersNoncurrent" xlink:label="usfr-pt_DueFromOfficersStockholdersNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RelatedPartyReceivablesNonCurrent" xlink:to="usfr-pt_DueFromOfficersStockholdersNoncurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueFromAffiliatesNoncurrent" xlink:label="usfr-pt_AmountsDueFromAffiliatesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RelatedPartyReceivablesNonCurrent" xlink:to="usfr-pt_AmountsDueFromAffiliatesNoncurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueFromOtherRelatedPartiesNoncurrent" xlink:label="usfr-pt_AmountsDueFromOtherRelatedPartiesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RelatedPartyReceivablesNonCurrent" xlink:to="usfr-pt_AmountsDueFromOtherRelatedPartiesNoncurrent" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AssetsHeldSaleNoncurrent" xlink:label="usfr-pt_AssetsHeldSaleNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_AssetsHeldSaleNoncurrent" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LongTermInvestments" xlink:label="usfr-pt_LongTermInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_LongTermInvestments" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InvestmentNonConsolidatedSubsidiaries" xlink:label="usfr-pt_InvestmentNonConsolidatedSubsidiaries" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermInvestments" xlink:to="usfr-pt_InvestmentNonConsolidatedSubsidiaries" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InvestmentAffiliates" xlink:label="usfr-pt_InvestmentAffiliates" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermInvestments" xlink:to="usfr-pt_InvestmentAffiliates" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InvestmentEquitySecurities" xlink:label="usfr-pt_InvestmentEquitySecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermInvestments" xlink:to="usfr-pt_InvestmentEquitySecurities" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MarketableSecuritiesNoncurrent" xlink:label="usfr-pt_MarketableSecuritiesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_MarketableSecuritiesNoncurrent" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MarketableSecuritiesAvailableSaleSecuritiesNoncurrent" xlink:label="usfr-pt_MarketableSecuritiesAvailableSaleSecuritiesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_MarketableSecuritiesNoncurrent" xlink:to="usfr-pt_MarketableSecuritiesAvailableSaleSecuritiesNoncurrent" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MarketableSecuritiesHeldMaturityNoncurrent" xlink:label="usfr-pt_MarketableSecuritiesHeldMaturityNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_MarketableSecuritiesNoncurrent" xlink:to="usfr-pt_MarketableSecuritiesHeldMaturityNoncurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DerivativeAssetsNoncurrent" xlink:label="usfr-pt_DerivativeAssetsNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_DerivativeAssetsNoncurrent" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsNet" xlink:label="usfr-pt_IntangibleAssetsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_IntangibleAssetsNet" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsGoodwill" xlink:label="usfr-pt_IntangibleAssetsGoodwill" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsNet" xlink:to="usfr-pt_IntangibleAssetsGoodwill" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsExcludingGoodwillNet" xlink:label="usfr-pt_IntangibleAssetsExcludingGoodwillNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsNet" xlink:to="usfr-pt_IntangibleAssetsExcludingGoodwillNet" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" xlink:label="usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsExcludingGoodwillNet" xlink:to="usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsIndefiniteLivedContractualRights" xlink:label="usfr-pt_IntangibleAssetsIndefiniteLivedContractualRights" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" xlink:to="usfr-pt_IntangibleAssetsIndefiniteLivedContractualRights" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsIndefiniteLivedFranchiseRights" xlink:label="usfr-pt_IntangibleAssetsIndefiniteLivedFranchiseRights" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" xlink:to="usfr-pt_IntangibleAssetsIndefiniteLivedFranchiseRights" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsIndefiniteLivedLicenses" xlink:label="usfr-pt_IntangibleAssetsIndefiniteLivedLicenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" xlink:to="usfr-pt_IntangibleAssetsIndefiniteLivedLicenses" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsIndefiniteLivedTrademarks" xlink:label="usfr-pt_IntangibleAssetsIndefiniteLivedTrademarks" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" xlink:to="usfr-pt_IntangibleAssetsIndefiniteLivedTrademarks" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsIndefiniteLivedTradeNames" xlink:label="usfr-pt_IntangibleAssetsIndefiniteLivedTradeNames" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" xlink:to="usfr-pt_IntangibleAssetsIndefiniteLivedTradeNames" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsIndefiniteLivedTradeSecrets" xlink:label="usfr-pt_IntangibleAssetsIndefiniteLivedTradeSecrets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" xlink:to="usfr-pt_IntangibleAssetsIndefiniteLivedTradeSecrets" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsIndefiniteLivedOther" xlink:label="usfr-pt_IntangibleAssetsIndefiniteLivedOther" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsIndefiniteLivedExcludingGoodwill" xlink:to="usfr-pt_IntangibleAssetsIndefiniteLivedOther" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedNet" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsExcludingGoodwillNet" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedNet" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedNet" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedGross" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedComputerSoftware" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedComputerSoftware" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedComputerSoftware" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedContractualRights" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedContractualRights" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedContractualRights" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedCopyrights" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedCopyrights" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedCopyrights" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedCustomerLists" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedCustomerLists" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedCustomerLists" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedCustomerRelationships" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedCustomerRelationships" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedCustomerRelationships" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedDistributionRights" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedDistributionRights" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedDistributionRights" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedFranchiseRights" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedFranchiseRights" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedFranchiseRights" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedLicenseAgreements" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedLicenseAgreements" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedLicenseAgreements" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedMediaContent" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedMediaContent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedMediaContent" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedNoncompeteAgreements" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedNoncompeteAgreements" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedNoncompeteAgreements" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedPatents" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedPatents" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedPatents" order="11" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedRoyalty" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedRoyalty" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedRoyalty" order="12" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedTradeNames" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedTradeNames" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedTradeNames" order="13" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedTradeSecrets" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedTradeSecrets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedTradeSecrets" order="14" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IntangibleAssetsFiniteLivedOther" xlink:label="usfr-pt_IntangibleAssetsFiniteLivedOther" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedGross" xlink:to="usfr-pt_IntangibleAssetsFiniteLivedOther" order="15" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccumulatedAmortizationIntangibleAssetsFiniteLived" xlink:label="usfr-pt_AccumulatedAmortizationIntangibleAssetsFiniteLived" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IntangibleAssetsFiniteLivedNet" xlink:to="usfr-pt_AccumulatedAmortizationIntangibleAssetsFiniteLived" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CashSurrenderValueLifeInsurance" xlink:label="usfr-pt_CashSurrenderValueLifeInsurance" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_CashSurrenderValueLifeInsurance" order="11" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PrepaidExpensesNonCurrent" xlink:label="usfr-pt_PrepaidExpensesNonCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_PrepaidExpensesNonCurrent" order="12" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PrepaidPensionCosts" xlink:label="usfr-pt_PrepaidPensionCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PrepaidExpensesNonCurrent" xlink:to="usfr-pt_PrepaidPensionCosts" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PrepaidAssetsLongTerm" xlink:label="usfr-pt_PrepaidAssetsLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PrepaidExpensesNonCurrent" xlink:to="usfr-pt_PrepaidAssetsLongTerm" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_FinancingReceivables" xlink:label="usfr-pt_FinancingReceivables" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_FinancingReceivables" order="13" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredLongTermAssetCharges" xlink:label="usfr-pt_DeferredLongTermAssetCharges" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_DeferredLongTermAssetCharges" order="14" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredFinancingCosts" xlink:label="usfr-pt_DeferredFinancingCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredLongTermAssetCharges" xlink:to="usfr-pt_DeferredFinancingCosts" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredTaxAssetNoncurrent" xlink:label="usfr-pt_DeferredTaxAssetNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredLongTermAssetCharges" xlink:to="usfr-pt_DeferredTaxAssetNoncurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RestrictedCash" xlink:label="usfr-pt_RestrictedCash" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_RestrictedCash" order="15" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AssetsDiscontinuedOperationsNoncurrent" xlink:label="usfr-pt_AssetsDiscontinuedOperationsNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_AssetsDiscontinuedOperationsNoncurrent" order="16" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherAssetsNoncurrent" xlink:label="usfr-pt_OtherAssetsNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentAssets" xlink:to="usfr-pt_OtherAssetsNoncurrent" order="17" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LiabilitiesStockholdersEquity" xlink:label="usfr-pt_LiabilitiesStockholdersEquity" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Liabilities" xlink:label="usfr-pt_Liabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LiabilitiesStockholdersEquity" xlink:to="usfr-pt_Liabilities" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CurrentLiabilities" xlink:label="usfr-pt_CurrentLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_Liabilities" xlink:to="usfr-pt_CurrentLiabilities" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccountsPayableAccruedExpenses" xlink:label="usfr-pt_AccountsPayableAccruedExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_AccountsPayableAccruedExpenses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccountsPayable" xlink:label="usfr-pt_AccountsPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccountsPayableAccruedExpenses" xlink:to="usfr-pt_AccountsPayable" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_BankOverdrafts" xlink:label="usfr-pt_BankOverdrafts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccountsPayable" xlink:to="usfr-pt_BankOverdrafts" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TradeAccountsPayable" xlink:label="usfr-pt_TradeAccountsPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccountsPayable" xlink:to="usfr-pt_TradeAccountsPayable" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherAccountsPayable" xlink:label="usfr-pt_OtherAccountsPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccountsPayable" xlink:to="usfr-pt_OtherAccountsPayable" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccruedExpenses" xlink:label="usfr-pt_AccruedExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccountsPayableAccruedExpenses" xlink:to="usfr-pt_AccruedExpenses" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccruedAdvertising" xlink:label="usfr-pt_AccruedAdvertising" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccruedExpenses" xlink:to="usfr-pt_AccruedAdvertising" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccruedInsurance" xlink:label="usfr-pt_AccruedInsurance" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccruedExpenses" xlink:to="usfr-pt_AccruedInsurance" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_WarrantyRelatedAccrualsCurrent" xlink:label="usfr-pt_WarrantyRelatedAccrualsCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccruedExpenses" xlink:to="usfr-pt_WarrantyRelatedAccrualsCurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccruedRoyalties" xlink:label="usfr-pt_AccruedRoyalties" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccruedExpenses" xlink:to="usfr-pt_AccruedRoyalties" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherAccruedExpenses" xlink:label="usfr-pt_OtherAccruedExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccruedExpenses" xlink:to="usfr-pt_OtherAccruedExpenses" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InterestPayable" xlink:label="usfr-pt_InterestPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccruedExpenses" xlink:to="usfr-pt_InterestPayable" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TaxesOtherThanIncomeTaxesAccrual" xlink:label="usfr-pt_TaxesOtherThanIncomeTaxesAccrual" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccruedExpenses" xlink:to="usfr-pt_TaxesOtherThanIncomeTaxesAccrual" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DividendsPayable" xlink:label="usfr-pt_DividendsPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccruedExpenses" xlink:to="usfr-pt_DividendsPayable" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EmployeeRelatedLiabilities" xlink:label="usfr-pt_EmployeeRelatedLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccruedExpenses" xlink:to="usfr-pt_EmployeeRelatedLiabilities" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Salaries" xlink:label="usfr-pt_Salaries" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_EmployeeRelatedLiabilities" xlink:to="usfr-pt_Salaries" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccruedVacation" xlink:label="usfr-pt_AccruedVacation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_EmployeeRelatedLiabilities" xlink:to="usfr-pt_AccruedVacation" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccruedBonuses" xlink:label="usfr-pt_AccruedBonuses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_EmployeeRelatedLiabilities" xlink:to="usfr-pt_AccruedBonuses" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EmployeeBenefits" xlink:label="usfr-pt_EmployeeBenefits" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_EmployeeRelatedLiabilities" xlink:to="usfr-pt_EmployeeBenefits" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherEmployeeBenefitsLiabilities" xlink:label="usfr-pt_OtherEmployeeBenefitsLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_EmployeeRelatedLiabilities" xlink:to="usfr-pt_OtherEmployeeBenefitsLiabilities" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueToRelatedPartiesCurrent" xlink:label="usfr-pt_AmountsDueToRelatedPartiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_AmountsDueToRelatedPartiesCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccountsPayableRelatedParties" xlink:label="usfr-pt_AccountsPayableRelatedParties" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AmountsDueToRelatedPartiesCurrent" xlink:to="usfr-pt_AccountsPayableRelatedParties" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NotesPayableRelatedPartiesCurrent" xlink:label="usfr-pt_NotesPayableRelatedPartiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AmountsDueToRelatedPartiesCurrent" xlink:to="usfr-pt_NotesPayableRelatedPartiesCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DueToOfficersStockholdersCurrent" xlink:label="usfr-pt_DueToOfficersStockholdersCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AmountsDueToRelatedPartiesCurrent" xlink:to="usfr-pt_DueToOfficersStockholdersCurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueToAffiliatesCurrent" xlink:label="usfr-pt_AmountsDueToAffiliatesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AmountsDueToRelatedPartiesCurrent" xlink:to="usfr-pt_AmountsDueToAffiliatesCurrent" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueToOtherRelatedPartiesCurrent" xlink:label="usfr-pt_AmountsDueToOtherRelatedPartiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AmountsDueToRelatedPartiesCurrent" xlink:to="usfr-pt_AmountsDueToOtherRelatedPartiesCurrent" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_BillingsExcessCost" xlink:label="usfr-pt_BillingsExcessCost" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_BillingsExcessCost" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredIncomeTaxesLiabilityCurrent" xlink:label="usfr-pt_DeferredIncomeTaxesLiabilityCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_DeferredIncomeTaxesLiabilityCurrent" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CustomerAdvancesDepositsCurrent" xlink:label="usfr-pt_CustomerAdvancesDepositsCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_CustomerAdvancesDepositsCurrent" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CustomerAdvancesCurrent" xlink:label="usfr-pt_CustomerAdvancesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CustomerAdvancesDepositsCurrent" xlink:to="usfr-pt_CustomerAdvancesCurrent" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CustomerDepositsCurrent" xlink:label="usfr-pt_CustomerDepositsCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CustomerAdvancesDepositsCurrent" xlink:to="usfr-pt_CustomerDepositsCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccruedTaxes" xlink:label="usfr-pt_AccruedTaxes" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_AccruedTaxes" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeTaxesPayable" xlink:label="usfr-pt_IncomeTaxesPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_IncomeTaxesPayable" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredUnearnedRevenueCurrent" xlink:label="usfr-pt_DeferredUnearnedRevenueCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_DeferredUnearnedRevenueCurrent" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DebtCapitalLeaseObligationsCurrent" xlink:label="usfr-pt_DebtCapitalLeaseObligationsCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_DebtCapitalLeaseObligationsCurrent" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CurrentPortionLongTermDebt" xlink:label="usfr-pt_CurrentPortionLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsCurrent" xlink:to="usfr-pt_CurrentPortionLongTermDebt" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SecuredDebtCurrent" xlink:label="usfr-pt_SecuredDebtCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentPortionLongTermDebt" xlink:to="usfr-pt_SecuredDebtCurrent" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_UnsecuredDebtCurrent" xlink:label="usfr-pt_UnsecuredDebtCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentPortionLongTermDebt" xlink:to="usfr-pt_UnsecuredDebtCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LineCreditCurrent" xlink:label="usfr-pt_LineCreditCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentPortionLongTermDebt" xlink:to="usfr-pt_LineCreditCurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SubordinatedDebtCurrent" xlink:label="usfr-pt_SubordinatedDebtCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentPortionLongTermDebt" xlink:to="usfr-pt_SubordinatedDebtCurrent" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RelatedPartyDebtCurrent" xlink:label="usfr-pt_RelatedPartyDebtCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentPortionLongTermDebt" xlink:to="usfr-pt_RelatedPartyDebtCurrent" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NotesLoansPayableCurrent" xlink:label="usfr-pt_NotesLoansPayableCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsCurrent" xlink:to="usfr-pt_NotesLoansPayableCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NotesPayableCurrentPortion" xlink:label="usfr-pt_NotesPayableCurrentPortion" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NotesLoansPayableCurrent" xlink:to="usfr-pt_NotesPayableCurrentPortion" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LoansPayableCurrent" xlink:label="usfr-pt_LoansPayableCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NotesLoansPayableCurrent" xlink:to="usfr-pt_LoansPayableCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CapitalLeaseObligationsCurrent" xlink:label="usfr-pt_CapitalLeaseObligationsCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsCurrent" xlink:to="usfr-pt_CapitalLeaseObligationsCurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CommercialPaper" xlink:label="usfr-pt_CommercialPaper" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsCurrent" xlink:to="usfr-pt_CommercialPaper" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherShortTermBorrowings" xlink:label="usfr-pt_OtherShortTermBorrowings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsCurrent" xlink:to="usfr-pt_OtherShortTermBorrowings" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DerivativeLiabilities" xlink:label="usfr-pt_DerivativeLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_DerivativeLiabilities" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesTaxPayable" xlink:label="usfr-pt_SalesTaxPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_SalesTaxPayable" order="11" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LiabilitiesDiscontinuedOperationsCurrent" xlink:label="usfr-pt_LiabilitiesDiscontinuedOperationsCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_LiabilitiesDiscontinuedOperationsCurrent" order="12" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherCurrentLiabilities" xlink:label="usfr-pt_OtherCurrentLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentLiabilities" xlink:to="usfr-pt_OtherCurrentLiabilities" order="13" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NoncurrentLiabilities" xlink:label="usfr-pt_NoncurrentLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_Liabilities" xlink:to="usfr-pt_NoncurrentLiabilities" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DebtCapitalLeaseObligationsLongTerm" xlink:label="usfr-pt_DebtCapitalLeaseObligationsLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_DebtCapitalLeaseObligationsLongTerm" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LongTermDebt" xlink:label="usfr-pt_LongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsLongTerm" xlink:to="usfr-pt_LongTermDebt" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SecuredLongTerm" xlink:label="usfr-pt_SecuredLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermDebt" xlink:to="usfr-pt_SecuredLongTerm" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_UnsecuredLongTerm" xlink:label="usfr-pt_UnsecuredLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermDebt" xlink:to="usfr-pt_UnsecuredLongTerm" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LineCreditLongTermDebt" xlink:label="usfr-pt_LineCreditLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermDebt" xlink:to="usfr-pt_LineCreditLongTermDebt" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SubordinatedDebtLongTerm" xlink:label="usfr-pt_SubordinatedDebtLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermDebt" xlink:to="usfr-pt_SubordinatedDebtLongTerm" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ConvertibleDebt" xlink:label="usfr-pt_ConvertibleDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermDebt" xlink:to="usfr-pt_ConvertibleDebt" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RelatedPartyDebtLongTerm" xlink:label="usfr-pt_RelatedPartyDebtLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermDebt" xlink:to="usfr-pt_RelatedPartyDebtLongTerm" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherLongTermDebt" xlink:label="usfr-pt_OtherLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LongTermDebt" xlink:to="usfr-pt_OtherLongTermDebt" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NotesLoansLongTerm" xlink:label="usfr-pt_NotesLoansLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsLongTerm" xlink:to="usfr-pt_NotesLoansLongTerm" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NotesPayableLongTerm" xlink:label="usfr-pt_NotesPayableLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NotesLoansLongTerm" xlink:to="usfr-pt_NotesPayableLongTerm" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LoansLongTermPortion" xlink:label="usfr-pt_LoansLongTermPortion" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NotesLoansLongTerm" xlink:to="usfr-pt_LoansLongTermPortion" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CapitalLeaseObligationsLongTerm" xlink:label="usfr-pt_CapitalLeaseObligationsLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsLongTerm" xlink:to="usfr-pt_CapitalLeaseObligationsLongTerm" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredDebtLongTerm" xlink:label="usfr-pt_DeferredDebtLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsLongTerm" xlink:to="usfr-pt_DeferredDebtLongTerm" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NonSubordinateDeferredDebtLongTerm" xlink:label="usfr-pt_NonSubordinateDeferredDebtLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredDebtLongTerm" xlink:to="usfr-pt_NonSubordinateDeferredDebtLongTerm" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SubordinateDeferredDebtLongTerm" xlink:label="usfr-pt_SubordinateDeferredDebtLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredDebtLongTerm" xlink:to="usfr-pt_SubordinateDeferredDebtLongTerm" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredInterest" xlink:label="usfr-pt_DeferredInterest" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DebtCapitalLeaseObligationsLongTerm" xlink:to="usfr-pt_DeferredInterest" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueToRelatedPartiesNoncurrent" xlink:label="usfr-pt_AmountsDueToRelatedPartiesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_AmountsDueToRelatedPartiesNoncurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NotesPayableRelatedPartiesNoncurrent" xlink:label="usfr-pt_NotesPayableRelatedPartiesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AmountsDueToRelatedPartiesNoncurrent" xlink:to="usfr-pt_NotesPayableRelatedPartiesNoncurrent" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DueToOfficersStockholdersNoncurrent" xlink:label="usfr-pt_DueToOfficersStockholdersNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AmountsDueToRelatedPartiesNoncurrent" xlink:to="usfr-pt_DueToOfficersStockholdersNoncurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueToAffiliatesNoncurrent" xlink:label="usfr-pt_AmountsDueToAffiliatesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AmountsDueToRelatedPartiesNoncurrent" xlink:to="usfr-pt_AmountsDueToAffiliatesNoncurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmountsDueToOtherRelatedPartiesNoncurrent" xlink:label="usfr-pt_AmountsDueToOtherRelatedPartiesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AmountsDueToRelatedPartiesNoncurrent" xlink:to="usfr-pt_AmountsDueToOtherRelatedPartiesNoncurrent" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DerivativeLiabilitiesLongTerm" xlink:label="usfr-pt_DerivativeLiabilitiesLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_DerivativeLiabilitiesLongTerm" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CustomerAdvancesDepositsLongTerm" xlink:label="usfr-pt_CustomerAdvancesDepositsLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_CustomerAdvancesDepositsLongTerm" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CustomerAdvances" xlink:label="usfr-pt_CustomerAdvances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CustomerAdvancesDepositsLongTerm" xlink:to="usfr-pt_CustomerAdvances" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CustomerDepositsNoncurrent" xlink:label="usfr-pt_CustomerDepositsNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CustomerAdvancesDepositsLongTerm" xlink:to="usfr-pt_CustomerDepositsNoncurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PensionsOPEB" xlink:label="usfr-pt_PensionsOPEB" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_PensionsOPEB" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PensionObligation" xlink:label="usfr-pt_PensionObligation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PensionsOPEB" xlink:to="usfr-pt_PensionObligation" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherPostretirementObligations" xlink:label="usfr-pt_OtherPostretirementObligations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PensionsOPEB" xlink:to="usfr-pt_OtherPostretirementObligations" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredESOPBenefits" xlink:label="usfr-pt_DeferredESOPBenefits" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_DeferredESOPBenefits" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredCompensation" xlink:label="usfr-pt_DeferredCompensation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_DeferredCompensation" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EnvironmentalLiability" xlink:label="usfr-pt_EnvironmentalLiability" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_EnvironmentalLiability" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RestructuringReserve" xlink:label="usfr-pt_RestructuringReserve" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_RestructuringReserve" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LitigationReserve" xlink:label="usfr-pt_LitigationReserve" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_LitigationReserve" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CommitmentsContingencies" xlink:label="usfr-pt_CommitmentsContingencies" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_CommitmentsContingencies" order="11" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MinorityInterest" xlink:label="usfr-pt_MinorityInterest" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_MinorityInterest" order="12" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AssetRetirementObligation" xlink:label="usfr-pt_AssetRetirementObligation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_AssetRetirementObligation" order="13" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredLongTermLiabilityCharges" xlink:label="usfr-pt_DeferredLongTermLiabilityCharges" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_DeferredLongTermLiabilityCharges" order="14" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredUnearnedRevenueLongTerm" xlink:label="usfr-pt_DeferredUnearnedRevenueLongTerm" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredLongTermLiabilityCharges" xlink:to="usfr-pt_DeferredUnearnedRevenueLongTerm" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LiabilitiesDiscontinuedOperationsNoncurrent" xlink:label="usfr-pt_LiabilitiesDiscontinuedOperationsNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_LiabilitiesDiscontinuedOperationsNoncurrent" order="15" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherNoncurrentLiabilities" xlink:label="usfr-pt_OtherNoncurrentLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoncurrentLiabilities" xlink:to="usfr-pt_OtherNoncurrentLiabilities" order="16" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TemporaryEquity" xlink:label="usfr-pt_TemporaryEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LiabilitiesStockholdersEquity" xlink:to="usfr-pt_TemporaryEquity" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TrustPreferredSecurities" xlink:label="usfr-pt_TrustPreferredSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TemporaryEquity" xlink:to="usfr-pt_TrustPreferredSecurities" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RedeemableCommonStock" xlink:label="usfr-pt_RedeemableCommonStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TemporaryEquity" xlink:to="usfr-pt_RedeemableCommonStock" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RedeemablePreferredStockObligations" xlink:label="usfr-pt_RedeemablePreferredStockObligations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TemporaryEquity" xlink:to="usfr-pt_RedeemablePreferredStockObligations" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_WarrantsRightsOutstanding" xlink:label="usfr-pt_WarrantsRightsOutstanding" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TemporaryEquity" xlink:to="usfr-pt_WarrantsRightsOutstanding" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_StockholdersEquity" xlink:label="usfr-pt_StockholdersEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LiabilitiesStockholdersEquity" xlink:to="usfr-pt_StockholdersEquity" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CommonStockValueTotal" xlink:label="usfr-pt_CommonStockValueTotal" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_StockholdersEquity" xlink:to="usfr-pt_CommonStockValueTotal" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CommonStockValue" xlink:label="usfr-pt_CommonStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CommonStockValueTotal" xlink:to="usfr-pt_CommonStockValue" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PreferredStockValueTotal" xlink:label="usfr-pt_PreferredStockValueTotal" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_StockholdersEquity" xlink:to="usfr-pt_PreferredStockValueTotal" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PreferredStockValue" xlink:label="usfr-pt_PreferredStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PreferredStockValueTotal" xlink:to="usfr-pt_PreferredStockValue" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ConvertiblePreferredStockValue" xlink:label="usfr-pt_ConvertiblePreferredStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PreferredStockValueTotal" xlink:to="usfr-pt_ConvertiblePreferredStockValue" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RedeemablePreferredStockValue" xlink:label="usfr-pt_RedeemablePreferredStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PreferredStockValueTotal" xlink:to="usfr-pt_RedeemablePreferredStockValue" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RedeemableConvertiblePreferredStockValue" xlink:label="usfr-pt_RedeemableConvertiblePreferredStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PreferredStockValueTotal" xlink:to="usfr-pt_RedeemableConvertiblePreferredStockValue" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NonRedeemablePreferredStockValue" xlink:label="usfr-pt_NonRedeemablePreferredStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PreferredStockValueTotal" xlink:to="usfr-pt_NonRedeemablePreferredStockValue" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NonRedeemableConvertiblePreferredStockValue" xlink:label="usfr-pt_NonRedeemableConvertiblePreferredStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PreferredStockValueTotal" xlink:to="usfr-pt_NonRedeemableConvertiblePreferredStockValue" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AdditionalPaidCapital" xlink:label="usfr-pt_AdditionalPaidCapital" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_StockholdersEquity" xlink:to="usfr-pt_AdditionalPaidCapital" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_WarrantsRightsOutstandingEquity" xlink:label="usfr-pt_WarrantsRightsOutstandingEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_StockholdersEquity" xlink:to="usfr-pt_WarrantsRightsOutstandingEquity" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RetainedEarnings" xlink:label="usfr-pt_RetainedEarnings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_StockholdersEquity" xlink:to="usfr-pt_RetainedEarnings" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RetainedEarningsAppropriated" xlink:label="usfr-pt_RetainedEarningsAppropriated" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RetainedEarnings" xlink:to="usfr-pt_RetainedEarningsAppropriated" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RetainedEarningsNonappropriated" xlink:label="usfr-pt_RetainedEarningsNonappropriated" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RetainedEarnings" xlink:to="usfr-pt_RetainedEarningsNonappropriated" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TreasuryStockValueTotal" xlink:label="usfr-pt_TreasuryStockValueTotal" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_StockholdersEquity" xlink:to="usfr-pt_TreasuryStockValueTotal" order="6" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TreasuryStockValue" xlink:label="usfr-pt_TreasuryStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TreasuryStockValueTotal" xlink:to="usfr-pt_TreasuryStockValue" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AccumulatedComprehensiveIncome" xlink:label="usfr-pt_AccumulatedComprehensiveIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_StockholdersEquity" xlink:to="usfr-pt_AccumulatedComprehensiveIncome" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CumulativeEffectChangeAccountingPrincipleNet" xlink:label="usfr-pt_CumulativeEffectChangeAccountingPrincipleNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccumulatedComprehensiveIncome" xlink:to="usfr-pt_CumulativeEffectChangeAccountingPrincipleNet" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross" xlink:label="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CumulativeEffectChangeAccountingPrincipleNet" xlink:to="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple" xlink:label="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CumulativeEffectChangeAccountingPrincipleNet" xlink:to="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AdditionalMinimumPensionLiabilityNetTaxEffect" xlink:label="usfr-pt_AdditionalMinimumPensionLiabilityNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccumulatedComprehensiveIncome" xlink:to="usfr-pt_AdditionalMinimumPensionLiabilityNetTaxEffect" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CumulativeTranslationAdjustmentNetTaxEffect" xlink:label="usfr-pt_CumulativeTranslationAdjustmentNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccumulatedComprehensiveIncome" xlink:to="usfr-pt_CumulativeTranslationAdjustmentNetTaxEffect" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredHedgingGainLossNetTaxEffect" xlink:label="usfr-pt_DeferredHedgingGainLossNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccumulatedComprehensiveIncome" xlink:to="usfr-pt_DeferredHedgingGainLossNetTaxEffect" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredUnearnedCompensation" xlink:label="usfr-pt_DeferredUnearnedCompensation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccumulatedComprehensiveIncome" xlink:to="usfr-pt_DeferredUnearnedCompensation" order="5" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredCompensationOnRestrictedStock" xlink:label="usfr-pt_DeferredCompensationOnRestrictedStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredUnearnedCompensation" xlink:to="usfr-pt_DeferredCompensationOnRestrictedStock" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_UnrealizedGainLossOnMarketableSecuritiesNetTaxEffect" xlink:label="usfr-pt_UnrealizedGainLossOnMarketableSecuritiesNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccumulatedComprehensiveIncome" xlink:to="usfr-pt_UnrealizedGainLossOnMarketableSecuritiesNetTaxEffect" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_UnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect" xlink:label="usfr-pt_UnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_UnrealizedGainLossOnMarketableSecuritiesNetTaxEffect" xlink:to="usfr-pt_UnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_UnrealizedGainsLossesOnTradingSecurities" xlink:label="usfr-pt_UnrealizedGainsLossesOnTradingSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_UnrealizedGainLossOnMarketableSecuritiesNetTaxEffect" xlink:to="usfr-pt_UnrealizedGainsLossesOnTradingSecurities" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherAccumulatedComprehensiveIncomeNetTaxEffect" xlink:label="usfr-pt_OtherAccumulatedComprehensiveIncomeNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AccumulatedComprehensiveIncome" xlink:to="usfr-pt_OtherAccumulatedComprehensiveIncomeNetTaxEffect" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredCompensationEquity" xlink:label="usfr-pt_DeferredCompensationEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_StockholdersEquity" xlink:to="usfr-pt_DeferredCompensationEquity" order="8" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherEquity" xlink:label="usfr-pt_OtherEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_StockholdersEquity" xlink:to="usfr-pt_OtherEquity" order="9" weight="1" use="optional" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://www.xbrl.org/us/fr/lr/role/IncomeStatement" xlink:title="Income Statement - CI">
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_BasicEarningsPerShareNetIncome" xlink:label="usfr-pt_BasicEarningsPerShareNetIncome" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" xlink:label="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_BasicEarningsPerShareNetIncome" xlink:to="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" xlink:label="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" xlink:to="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossContinuingOperationsPerOutstandingShare" xlink:label="usfr-pt_IncomeLossContinuingOperationsPerOutstandingShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" xlink:to="usfr-pt_IncomeLossContinuingOperationsPerOutstandingShare" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossDispositionDiscontinuedOperationsPerOutstandingShare" xlink:label="usfr-pt_IncomeLossDispositionDiscontinuedOperationsPerOutstandingShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" xlink:to="usfr-pt_IncomeLossDispositionDiscontinuedOperationsPerOutstandingShare" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossExtraordinaryItemsNetTaxEffectPerOutstandingShare" xlink:label="usfr-pt_IncomeLossExtraordinaryItemsNetTaxEffectPerOutstandingShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerOutstandingShare" xlink:to="usfr-pt_IncomeLossExtraordinaryItemsNetTaxEffectPerOutstandingShare" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare" xlink:label="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_BasicEarningsPerShareNetIncome" xlink:to="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DilutedEarningsPerShareNetIncome" xlink:label="usfr-pt_DilutedEarningsPerShareNetIncome" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerDilutedShare" xlink:label="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerDilutedShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DilutedEarningsPerShareNetIncome" xlink:to="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerDilutedShare" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerDilutedShare" xlink:label="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerDilutedShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerDilutedShare" xlink:to="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerDilutedShare" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossContinuingOperationsPerDilutedShare" xlink:label="usfr-pt_IncomeLossContinuingOperationsPerDilutedShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerDilutedShare" xlink:to="usfr-pt_IncomeLossContinuingOperationsPerDilutedShare" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossDispositionDiscontinuedOperationsPerDilutedShare" xlink:label="usfr-pt_IncomeLossDispositionDiscontinuedOperationsPerDilutedShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerDilutedShare" xlink:to="usfr-pt_IncomeLossDispositionDiscontinuedOperationsPerDilutedShare" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossExtraordinaryItemsNetTaxEffectPerDilutedShare" xlink:label="usfr-pt_IncomeLossExtraordinaryItemsNetTaxEffectPerDilutedShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerDilutedShare" xlink:to="usfr-pt_IncomeLossExtraordinaryItemsNetTaxEffectPerDilutedShare" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare" xlink:label="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DilutedEarningsPerShareNetIncome" xlink:to="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetIncomeApplicableCommonStockholders" xlink:label="usfr-pt_NetIncomeApplicableCommonStockholders" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetIncome" xlink:label="usfr-pt_NetIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncomeApplicableCommonStockholders" xlink:to="usfr-pt_NetIncome" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciple" xlink:label="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciple" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncome" xlink:to="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciple" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciple" xlink:label="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciple" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciple" xlink:to="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciple" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossContinuingOperations" xlink:label="usfr-pt_IncomeLossContinuingOperations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciple" xlink:to="usfr-pt_IncomeLossContinuingOperations" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossContinuingOperationsBeforeIncomeTaxes" xlink:label="usfr-pt_IncomeLossContinuingOperationsBeforeIncomeTaxes" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossContinuingOperations" xlink:to="usfr-pt_IncomeLossContinuingOperationsBeforeIncomeTaxes" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OperatingProfit" xlink:label="usfr-pt_OperatingProfit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossContinuingOperationsBeforeIncomeTaxes" xlink:to="usfr-pt_OperatingProfit" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GrossProfit" xlink:label="usfr-pt_GrossProfit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingProfit" xlink:to="usfr-pt_GrossProfit" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostGoodsServicesSold" xlink:label="usfr-pt_CostGoodsServicesSold" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_GrossProfit" xlink:to="usfr-pt_CostGoodsServicesSold" order="1" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostGoodsSold" xlink:label="usfr-pt_CostGoodsSold" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostGoodsServicesSold" xlink:to="usfr-pt_CostGoodsSold" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostGoodsSoldDirectMaterials" xlink:label="usfr-pt_CostGoodsSoldDirectMaterials" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostGoodsSold" xlink:to="usfr-pt_CostGoodsSoldDirectMaterials" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostGoodsSoldDirectLabor" xlink:label="usfr-pt_CostGoodsSoldDirectLabor" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostGoodsSold" xlink:to="usfr-pt_CostGoodsSoldDirectLabor" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostGoodsSoldOverhead" xlink:label="usfr-pt_CostGoodsSoldOverhead" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostGoodsSold" xlink:to="usfr-pt_CostGoodsSoldOverhead" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostGoodsSoldDepreciation" xlink:label="usfr-pt_CostGoodsSoldDepreciation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostGoodsSold" xlink:to="usfr-pt_CostGoodsSoldDepreciation" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostGoodsSoldOther" xlink:label="usfr-pt_CostGoodsSoldOther" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostGoodsSold" xlink:to="usfr-pt_CostGoodsSoldOther" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostServices" xlink:label="usfr-pt_CostServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostGoodsServicesSold" xlink:to="usfr-pt_CostServices" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostServicesDirectMaterials" xlink:label="usfr-pt_CostServicesDirectMaterials" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostServices" xlink:to="usfr-pt_CostServicesDirectMaterials" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostServicesDirectLabor" xlink:label="usfr-pt_CostServicesDirectLabor" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostServices" xlink:to="usfr-pt_CostServicesDirectLabor" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostServicesOverhead" xlink:label="usfr-pt_CostServicesOverhead" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostServices" xlink:to="usfr-pt_CostServicesOverhead" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostServicesDepreciation" xlink:label="usfr-pt_CostServicesDepreciation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostServices" xlink:to="usfr-pt_CostServicesDepreciation" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostServicesOther" xlink:label="usfr-pt_CostServicesOther" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostServices" xlink:to="usfr-pt_CostServicesOther" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_FinancingTotalInterestExpense" xlink:label="usfr-pt_FinancingTotalInterestExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CostGoodsServicesSold" xlink:to="usfr-pt_FinancingTotalInterestExpense" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OperatingRevenue" xlink:label="usfr-pt_OperatingRevenue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_GrossProfit" xlink:to="usfr-pt_OperatingRevenue" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesRevenueNet" xlink:label="usfr-pt_SalesRevenueNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingRevenue" xlink:to="usfr-pt_SalesRevenueNet" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesRevenueNetGoods" xlink:label="usfr-pt_SalesRevenueNetGoods" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesRevenueNet" xlink:to="usfr-pt_SalesRevenueNetGoods" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesRevenueGrossGoods" xlink:label="usfr-pt_SalesRevenueGrossGoods" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesRevenueNetGoods" xlink:to="usfr-pt_SalesRevenueGrossGoods" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesReturnsAllowances" xlink:label="usfr-pt_SalesReturnsAllowances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesRevenueNetGoods" xlink:to="usfr-pt_SalesReturnsAllowances" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesReturnsGoods" xlink:label="usfr-pt_SalesReturnsGoods" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesReturnsAllowances" xlink:to="usfr-pt_SalesReturnsGoods" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesAllowancesGoods" xlink:label="usfr-pt_SalesAllowancesGoods" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesReturnsAllowances" xlink:to="usfr-pt_SalesAllowancesGoods" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesDiscountsGoods" xlink:label="usfr-pt_SalesDiscountsGoods" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesRevenueNetGoods" xlink:to="usfr-pt_SalesDiscountsGoods" order="3" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesRevenueNetServices" xlink:label="usfr-pt_SalesRevenueNetServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesRevenueNet" xlink:to="usfr-pt_SalesRevenueNetServices" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesRevenueGrossServices" xlink:label="usfr-pt_SalesRevenueGrossServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesRevenueNetServices" xlink:to="usfr-pt_SalesRevenueGrossServices" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesReturnsAllowancesServices" xlink:label="usfr-pt_SalesReturnsAllowancesServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesRevenueNetServices" xlink:to="usfr-pt_SalesReturnsAllowancesServices" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesReturnsServices" xlink:label="usfr-pt_SalesReturnsServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesReturnsAllowancesServices" xlink:to="usfr-pt_SalesReturnsServices" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesAllowancesServices" xlink:label="usfr-pt_SalesAllowancesServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesReturnsAllowancesServices" xlink:to="usfr-pt_SalesAllowancesServices" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalesDiscountsServices" xlink:label="usfr-pt_SalesDiscountsServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SalesRevenueNetServices" xlink:to="usfr-pt_SalesDiscountsServices" order="3" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RevenueAffiliates" xlink:label="usfr-pt_RevenueAffiliates" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingRevenue" xlink:to="usfr-pt_RevenueAffiliates" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_FinanceRevenue" xlink:label="usfr-pt_FinanceRevenue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingRevenue" xlink:to="usfr-pt_FinanceRevenue" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherOperatingRevenue" xlink:label="usfr-pt_OtherOperatingRevenue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingRevenue" xlink:to="usfr-pt_OtherOperatingRevenue" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OperatingExpenses" xlink:label="usfr-pt_OperatingExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingProfit" xlink:to="usfr-pt_OperatingExpenses" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SellingGeneralAdministrativeExpenses" xlink:label="usfr-pt_SellingGeneralAdministrativeExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_SellingGeneralAdministrativeExpenses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SellingMarketingExpenses" xlink:label="usfr-pt_SellingMarketingExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SellingGeneralAdministrativeExpenses" xlink:to="usfr-pt_SellingMarketingExpenses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SellingExpenses" xlink:label="usfr-pt_SellingExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SellingMarketingExpenses" xlink:to="usfr-pt_SellingExpenses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NoninterestExpenseMarketingAdvertising" xlink:label="usfr-pt_NoninterestExpenseMarketingAdvertising" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SellingMarketingExpenses" xlink:to="usfr-pt_NoninterestExpenseMarketingAdvertising" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Marketing" xlink:label="usfr-pt_Marketing" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoninterestExpenseMarketingAdvertising" xlink:to="usfr-pt_Marketing" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Advertising" xlink:label="usfr-pt_Advertising" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NoninterestExpenseMarketingAdvertising" xlink:to="usfr-pt_Advertising" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GeneralAdministrativeExpenses" xlink:label="usfr-pt_GeneralAdministrativeExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SellingGeneralAdministrativeExpenses" xlink:to="usfr-pt_GeneralAdministrativeExpenses" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LaborRelatedExpenses" xlink:label="usfr-pt_LaborRelatedExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_GeneralAdministrativeExpenses" xlink:to="usfr-pt_LaborRelatedExpenses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SalariesWages" xlink:label="usfr-pt_SalariesWages" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LaborRelatedExpenses" xlink:to="usfr-pt_SalariesWages" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OfficersCompensation" xlink:label="usfr-pt_OfficersCompensation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LaborRelatedExpenses" xlink:to="usfr-pt_OfficersCompensation" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PostRetirementBenefitExpense" xlink:label="usfr-pt_PostRetirementBenefitExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LaborRelatedExpenses" xlink:to="usfr-pt_PostRetirementBenefitExpense" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PensionOtherEmployeeBenefitExpense" xlink:label="usfr-pt_PensionOtherEmployeeBenefitExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LaborRelatedExpenses" xlink:to="usfr-pt_PensionOtherEmployeeBenefitExpense" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherLaborRelatedExpenses" xlink:label="usfr-pt_OtherLaborRelatedExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_LaborRelatedExpenses" xlink:to="usfr-pt_OtherLaborRelatedExpenses" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LeaseRentalExpense" xlink:label="usfr-pt_LeaseRentalExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_GeneralAdministrativeExpenses" xlink:to="usfr-pt_LeaseRentalExpense" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TravelEntertainmentExpense" xlink:label="usfr-pt_TravelEntertainmentExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_GeneralAdministrativeExpenses" xlink:to="usfr-pt_TravelEntertainmentExpense" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherGeneralAdministrativeExpenses" xlink:label="usfr-pt_OtherGeneralAdministrativeExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_GeneralAdministrativeExpenses" xlink:to="usfr-pt_OtherGeneralAdministrativeExpenses" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TotalResearchDevelopmentExpenseExcludingInProcess" xlink:label="usfr-pt_TotalResearchDevelopmentExpenseExcludingInProcess" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_TotalResearchDevelopmentExpenseExcludingInProcess" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ResearchDevelopmentExpenseExcludingInProcess" xlink:label="usfr-pt_ResearchDevelopmentExpenseExcludingInProcess" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalResearchDevelopmentExpenseExcludingInProcess" xlink:to="usfr-pt_ResearchDevelopmentExpenseExcludingInProcess" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InProcessResearchDevelopment" xlink:label="usfr-pt_InProcessResearchDevelopment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalResearchDevelopmentExpenseExcludingInProcess" xlink:to="usfr-pt_InProcessResearchDevelopment" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DepreciationAmortization" xlink:label="usfr-pt_DepreciationAmortization" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_DepreciationAmortization" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Depreciation" xlink:label="usfr-pt_Depreciation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DepreciationAmortization" xlink:to="usfr-pt_Depreciation" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Amortization" xlink:label="usfr-pt_Amortization" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DepreciationAmortization" xlink:to="usfr-pt_Amortization" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmortizationIntangibles" xlink:label="usfr-pt_AmortizationIntangibles" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_Amortization" xlink:to="usfr-pt_AmortizationIntangibles" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmortizationAcquisitionCosts" xlink:label="usfr-pt_AmortizationAcquisitionCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_Amortization" xlink:to="usfr-pt_AmortizationAcquisitionCosts" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProvisionDoubtfulAccounts" xlink:label="usfr-pt_ProvisionDoubtfulAccounts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_ProvisionDoubtfulAccounts" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TaxesOtherThanIncomeTaxes" xlink:label="usfr-pt_TaxesOtherThanIncomeTaxes" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_TaxesOtherThanIncomeTaxes" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RestructuringRemediationImpairmentProvisions" xlink:label="usfr-pt_RestructuringRemediationImpairmentProvisions" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_RestructuringRemediationImpairmentProvisions" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RestructuringCharges" xlink:label="usfr-pt_RestructuringCharges" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RestructuringRemediationImpairmentProvisions" xlink:to="usfr-pt_RestructuringCharges" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_BusinessExitCosts" xlink:label="usfr-pt_BusinessExitCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RestructuringCharges" xlink:to="usfr-pt_BusinessExitCosts" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherRestructuringCharges" xlink:label="usfr-pt_OtherRestructuringCharges" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RestructuringCharges" xlink:to="usfr-pt_OtherRestructuringCharges" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EnvironmentalRemediation" xlink:label="usfr-pt_EnvironmentalRemediation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RestructuringRemediationImpairmentProvisions" xlink:to="usfr-pt_EnvironmentalRemediation" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MergerAcquisitionsCosts" xlink:label="usfr-pt_MergerAcquisitionsCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RestructuringRemediationImpairmentProvisions" xlink:to="usfr-pt_MergerAcquisitionsCosts" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AssetImpairmentCharge" xlink:label="usfr-pt_AssetImpairmentCharge" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RestructuringRemediationImpairmentProvisions" xlink:to="usfr-pt_AssetImpairmentCharge" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ImpairmentLongLivedAssetsHeldDisposal" xlink:label="usfr-pt_ImpairmentLongLivedAssetsHeldDisposal" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AssetImpairmentCharge" xlink:to="usfr-pt_ImpairmentLongLivedAssetsHeldDisposal" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ImpairmentAssetsHeldSale" xlink:label="usfr-pt_ImpairmentAssetsHeldSale" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AssetImpairmentCharge" xlink:to="usfr-pt_ImpairmentAssetsHeldSale" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ImpairmentIntangibleAssets" xlink:label="usfr-pt_ImpairmentIntangibleAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AssetImpairmentCharge" xlink:to="usfr-pt_ImpairmentIntangibleAssets" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ImpairmentGoodwill" xlink:label="usfr-pt_ImpairmentGoodwill" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ImpairmentIntangibleAssets" xlink:to="usfr-pt_ImpairmentGoodwill" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ImpairmentLongLivedAssetsCertainIntangibles" xlink:label="usfr-pt_ImpairmentLongLivedAssetsCertainIntangibles" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ImpairmentIntangibleAssets" xlink:to="usfr-pt_ImpairmentLongLivedAssetsCertainIntangibles" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RoyaltyExpense" xlink:label="usfr-pt_RoyaltyExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_RoyaltyExpense" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PreOpeningCosts" xlink:label="usfr-pt_PreOpeningCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_PreOpeningCosts" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_LitigationExpense" xlink:label="usfr-pt_LitigationExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_LitigationExpense" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherOperatingExpense" xlink:label="usfr-pt_OtherOperatingExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OperatingExpenses" xlink:to="usfr-pt_OtherOperatingExpense" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NonOperatingIncomeExpense" xlink:label="usfr-pt_NonOperatingIncomeExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossContinuingOperationsBeforeIncomeTaxes" xlink:to="usfr-pt_NonOperatingIncomeExpense" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InterestIncomeExpenseNet" xlink:label="usfr-pt_InterestIncomeExpenseNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonOperatingIncomeExpense" xlink:to="usfr-pt_InterestIncomeExpenseNet" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TotalInterestExpense" xlink:label="usfr-pt_TotalInterestExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InterestIncomeExpenseNet" xlink:to="usfr-pt_TotalInterestExpense" order="1" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InterestExpenseDebt" xlink:label="usfr-pt_InterestExpenseDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalInterestExpense" xlink:to="usfr-pt_InterestExpenseDebt" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InterestExpenseCustomerDepositsNoncurrent" xlink:label="usfr-pt_InterestExpenseCustomerDepositsNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalInterestExpense" xlink:to="usfr-pt_InterestExpenseCustomerDepositsNoncurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredTotalInterestExpense" xlink:label="usfr-pt_DeferredTotalInterestExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InterestIncomeExpenseNet" xlink:to="usfr-pt_DeferredTotalInterestExpense" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InterestIncome" xlink:label="usfr-pt_InterestIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InterestIncomeExpenseNet" xlink:to="usfr-pt_InterestIncome" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NonoperatingGainsLosses" xlink:label="usfr-pt_NonoperatingGainsLosses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonOperatingIncomeExpense" xlink:to="usfr-pt_NonoperatingGainsLosses" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RealizedGainsLossesOnSaleInvestments" xlink:label="usfr-pt_RealizedGainsLossesOnSaleInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonoperatingGainsLosses" xlink:to="usfr-pt_RealizedGainsLossesOnSaleInvestments" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GainLossOnDispositionAssets" xlink:label="usfr-pt_GainLossOnDispositionAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonoperatingGainsLosses" xlink:to="usfr-pt_GainLossOnDispositionAssets" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GainLossOnSaleBusiness" xlink:label="usfr-pt_GainLossOnSaleBusiness" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonoperatingGainsLosses" xlink:to="usfr-pt_GainLossOnSaleBusiness" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GainLossRelatedLitigationSettlement" xlink:label="usfr-pt_GainLossRelatedLitigationSettlement" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonoperatingGainsLosses" xlink:to="usfr-pt_GainLossRelatedLitigationSettlement" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GainOnSettlementPensionObligation" xlink:label="usfr-pt_GainOnSettlementPensionObligation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonoperatingGainsLosses" xlink:to="usfr-pt_GainOnSettlementPensionObligation" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NonoperatingAssetRelatedIncome" xlink:label="usfr-pt_NonoperatingAssetRelatedIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonOperatingIncomeExpense" xlink:to="usfr-pt_NonoperatingAssetRelatedIncome" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RoyaltyIncome" xlink:label="usfr-pt_RoyaltyIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonoperatingAssetRelatedIncome" xlink:to="usfr-pt_RoyaltyIncome" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RentalIncome" xlink:label="usfr-pt_RentalIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonoperatingAssetRelatedIncome" xlink:to="usfr-pt_RentalIncome" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DividendIncome" xlink:label="usfr-pt_DividendIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonoperatingAssetRelatedIncome" xlink:to="usfr-pt_DividendIncome" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DebtRelatedCommitmentFees" xlink:label="usfr-pt_DebtRelatedCommitmentFees" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonoperatingAssetRelatedIncome" xlink:to="usfr-pt_DebtRelatedCommitmentFees" order="4" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ForeignCurrencyExchangeGainsLosses" xlink:label="usfr-pt_ForeignCurrencyExchangeGainsLosses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonOperatingIncomeExpense" xlink:to="usfr-pt_ForeignCurrencyExchangeGainsLosses" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherNonOperatingIncomeExpense" xlink:label="usfr-pt_OtherNonOperatingIncomeExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NonOperatingIncomeExpense" xlink:to="usfr-pt_OtherNonOperatingIncomeExpense" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherNonOperatingIncome" xlink:label="usfr-pt_OtherNonOperatingIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OtherNonOperatingIncomeExpense" xlink:to="usfr-pt_OtherNonOperatingIncome" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherNonOperatingExpense" xlink:label="usfr-pt_OtherNonOperatingExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_OtherNonOperatingIncomeExpense" xlink:to="usfr-pt_OtherNonOperatingExpense" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProvisionIncomeTaxes" xlink:label="usfr-pt_ProvisionIncomeTaxes" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossContinuingOperations" xlink:to="usfr-pt_ProvisionIncomeTaxes" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CurrentIncomeTaxExpenseBenefit" xlink:label="usfr-pt_CurrentIncomeTaxExpenseBenefit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProvisionIncomeTaxes" xlink:to="usfr-pt_CurrentIncomeTaxExpenseBenefit" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CurrentFederalTax" xlink:label="usfr-pt_CurrentFederalTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentIncomeTaxExpenseBenefit" xlink:to="usfr-pt_CurrentFederalTax" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CurrentStateLocalTaxes" xlink:label="usfr-pt_CurrentStateLocalTaxes" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentIncomeTaxExpenseBenefit" xlink:to="usfr-pt_CurrentStateLocalTaxes" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CurrentForeignTax" xlink:label="usfr-pt_CurrentForeignTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentIncomeTaxExpenseBenefit" xlink:to="usfr-pt_CurrentForeignTax" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CurrentOtherTax" xlink:label="usfr-pt_CurrentOtherTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CurrentIncomeTaxExpenseBenefit" xlink:to="usfr-pt_CurrentOtherTax" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredIncomeTaxExpenseBenefit" xlink:label="usfr-pt_DeferredIncomeTaxExpenseBenefit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProvisionIncomeTaxes" xlink:to="usfr-pt_DeferredIncomeTaxExpenseBenefit" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredFederalIncomeTax" xlink:label="usfr-pt_DeferredFederalIncomeTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredIncomeTaxExpenseBenefit" xlink:to="usfr-pt_DeferredFederalIncomeTax" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredStateLocalIncomeTax" xlink:label="usfr-pt_DeferredStateLocalIncomeTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredIncomeTaxExpenseBenefit" xlink:to="usfr-pt_DeferredStateLocalIncomeTax" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredForeignIncomeTax" xlink:label="usfr-pt_DeferredForeignIncomeTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredIncomeTaxExpenseBenefit" xlink:to="usfr-pt_DeferredForeignIncomeTax" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredOtherTax" xlink:label="usfr-pt_DeferredOtherTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DeferredIncomeTaxExpenseBenefit" xlink:to="usfr-pt_DeferredOtherTax" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MinorityInterestNetTaxEffect" xlink:label="usfr-pt_MinorityInterestNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciple" xlink:to="usfr-pt_MinorityInterestNetTaxEffect" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EarningsLossesEquityInvestments" xlink:label="usfr-pt_EarningsLossesEquityInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciple" xlink:to="usfr-pt_EarningsLossesEquityInvestments" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" xlink:label="usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciple" xlink:to="usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossDiscontinuedOperations" xlink:label="usfr-pt_IncomeLossDiscontinuedOperations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" xlink:to="usfr-pt_IncomeLossDiscontinuedOperations" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TaxEffectIncomeLossDiscontinuedOperations" xlink:label="usfr-pt_TaxEffectIncomeLossDiscontinuedOperations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" xlink:to="usfr-pt_TaxEffectIncomeLossDiscontinuedOperations" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossDispositionDiscontinuedOperations" xlink:label="usfr-pt_IncomeLossDispositionDiscontinuedOperations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" xlink:to="usfr-pt_IncomeLossDispositionDiscontinuedOperations" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossDuringPhaseOutPeriod" xlink:label="usfr-pt_IncomeLossDuringPhaseOutPeriod" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossDispositionDiscontinuedOperations" xlink:to="usfr-pt_IncomeLossDuringPhaseOutPeriod" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TaxEffectOnIncomeLossDispositionDiscontinuedOperations" xlink:label="usfr-pt_TaxEffectOnIncomeLossDispositionDiscontinuedOperations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossDispositionDiscontinuedOperations" xlink:to="usfr-pt_TaxEffectOnIncomeLossDispositionDiscontinuedOperations" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProvisionDisposalDiscontinuedOperations" xlink:label="usfr-pt_ProvisionDisposalDiscontinuedOperations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeLossDispositionDiscontinuedOperations" xlink:to="usfr-pt_ProvisionDisposalDiscontinuedOperations" order="3" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ExtraordinaryItemsNetTaxEffect" xlink:label="usfr-pt_ExtraordinaryItemsNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncomeBeforeCumulativeEffectChangeAccountingPrinciple" xlink:to="usfr-pt_ExtraordinaryItemsNetTaxEffect" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ExtraordinaryItemsGross" xlink:label="usfr-pt_ExtraordinaryItemsGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ExtraordinaryItemsNetTaxEffect" xlink:to="usfr-pt_ExtraordinaryItemsGross" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ExtinguishmentDebt" xlink:label="usfr-pt_ExtinguishmentDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ExtraordinaryItemsGross" xlink:to="usfr-pt_ExtinguishmentDebt" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GainLossAdjustmentsPriorYearExtraordinaryItems" xlink:label="usfr-pt_GainLossAdjustmentsPriorYearExtraordinaryItems" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ExtraordinaryItemsGross" xlink:to="usfr-pt_GainLossAdjustmentsPriorYearExtraordinaryItems" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherExtraordinaryGainLoss" xlink:label="usfr-pt_OtherExtraordinaryGainLoss" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ExtraordinaryItemsGross" xlink:to="usfr-pt_OtherExtraordinaryGainLoss" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TaxEffectExtraordinaryItems" xlink:label="usfr-pt_TaxEffectExtraordinaryItems" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ExtraordinaryItemsNetTaxEffect" xlink:to="usfr-pt_TaxEffectExtraordinaryItems" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherNonrecurringCharges" xlink:label="usfr-pt_OtherNonrecurringCharges" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ExtraordinaryItemsNetTaxEffect" xlink:to="usfr-pt_OtherNonrecurringCharges" order="3" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" xlink:label="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncome" xlink:to="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EffectChangesAccountingPrincipleGross" xlink:label="usfr-pt_EffectChangesAccountingPrincipleGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" xlink:to="usfr-pt_EffectChangesAccountingPrincipleGross" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TaxEffectChangeAccountingPrinciple" xlink:label="usfr-pt_TaxEffectChangeAccountingPrinciple" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" xlink:to="usfr-pt_TaxEffectChangeAccountingPrinciple" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PreferredStockDividendsOtherAdjustments" xlink:label="usfr-pt_PreferredStockDividendsOtherAdjustments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncomeApplicableCommonStockholders" xlink:to="usfr-pt_PreferredStockDividendsOtherAdjustments" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PreferredStockDividends" xlink:label="usfr-pt_PreferredStockDividends" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PreferredStockDividendsOtherAdjustments" xlink:to="usfr-pt_PreferredStockDividends" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GeneralPartnerDistributions" xlink:label="usfr-pt_GeneralPartnerDistributions" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PreferredStockDividendsOtherAdjustments" xlink:to="usfr-pt_GeneralPartnerDistributions" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProFormaAdjustment" xlink:label="usfr-pt_ProFormaAdjustment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PreferredStockDividendsOtherAdjustments" xlink:to="usfr-pt_ProFormaAdjustment" order="3" weight="1" use="optional" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://www.xbrl.org/us/fr/lr/role/StatementCashFlowsIndirect" xlink:title="Statement of Cash Flows - Indirect Method - CI">
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:label="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" xlink:label="usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:to="usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetIncome" xlink:label="usfr-pt_NetIncome" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" xlink:to="usfr-pt_NetIncome" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:label="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" xlink:to="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TotalDepreciationAmortization" xlink:label="usfr-pt_TotalDepreciationAmortization" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_TotalDepreciationAmortization" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostGoodsSoldDepreciation" xlink:label="usfr-pt_CostGoodsSoldDepreciation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalDepreciationAmortization" xlink:to="usfr-pt_CostGoodsSoldDepreciation" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CostServicesDepreciation" xlink:label="usfr-pt_CostServicesDepreciation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalDepreciationAmortization" xlink:to="usfr-pt_CostServicesDepreciation" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_Depreciation" xlink:label="usfr-pt_Depreciation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalDepreciationAmortization" xlink:to="usfr-pt_Depreciation" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmortizationIntangibles" xlink:label="usfr-pt_AmortizationIntangibles" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalDepreciationAmortization" xlink:to="usfr-pt_AmortizationIntangibles" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AmortizationAcquisitionCosts" xlink:label="usfr-pt_AmortizationAcquisitionCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalDepreciationAmortization" xlink:to="usfr-pt_AmortizationAcquisitionCosts" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DepreciationAmortizationOtherUnspecified" xlink:label="usfr-pt_DepreciationAmortizationOtherUnspecified" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_TotalDepreciationAmortization" xlink:to="usfr-pt_DepreciationAmortizationOtherUnspecified" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ESOPRestrictedStockExpense" xlink:label="usfr-pt_ESOPRestrictedStockExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_ESOPRestrictedStockExpense" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_WriteOffAcquiredProcessResearchDevelopment" xlink:label="usfr-pt_WriteOffAcquiredProcessResearchDevelopment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_WriteOffAcquiredProcessResearchDevelopment" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProvisionDoubtfulAccounts" xlink:label="usfr-pt_ProvisionDoubtfulAccounts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_ProvisionDoubtfulAccounts" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncreaseDecreaseInProvisionForRestructuringChanges" xlink:label="usfr-pt_IncreaseDecreaseInProvisionForRestructuringChanges" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_IncreaseDecreaseInProvisionForRestructuringChanges" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RestructuringCharges" xlink:label="usfr-pt_RestructuringCharges" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncreaseDecreaseInProvisionForRestructuringChanges" xlink:to="usfr-pt_RestructuringCharges" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CashPaymentsRestructuring" xlink:label="usfr-pt_CashPaymentsRestructuring" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_IncreaseDecreaseInProvisionForRestructuringChanges" xlink:to="usfr-pt_CashPaymentsRestructuring" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AssetImpairmentCharge" xlink:label="usfr-pt_AssetImpairmentCharge" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_AssetImpairmentCharge" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeEnvironmentalLiabilities" xlink:label="usfr-pt_ChangeEnvironmentalLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_ChangeEnvironmentalLiabilities" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EnvironmentalRemediation" xlink:label="usfr-pt_EnvironmentalRemediation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeEnvironmentalLiabilities" xlink:to="usfr-pt_EnvironmentalRemediation" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EnvironmentalLiabilitiesCashPayments" xlink:label="usfr-pt_EnvironmentalLiabilitiesCashPayments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeEnvironmentalLiabilities" xlink:to="usfr-pt_EnvironmentalLiabilitiesCashPayments" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RealizedGainsLossesOnSaleInvestments" xlink:label="usfr-pt_RealizedGainsLossesOnSaleInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_RealizedGainsLossesOnSaleInvestments" order="8" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GainLossOnRetirementPropertyPlantEquipment" xlink:label="usfr-pt_GainLossOnRetirementPropertyPlantEquipment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_GainLossOnRetirementPropertyPlantEquipment" order="9" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_GainLossOnSaleBusiness" xlink:label="usfr-pt_GainLossOnSaleBusiness" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_GainLossOnSaleBusiness" order="10" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ForeignCurrencyExchangeGainsLosses" xlink:label="usfr-pt_ForeignCurrencyExchangeGainsLosses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_ForeignCurrencyExchangeGainsLosses" order="11" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TaxBenefitExerciseStockOptions" xlink:label="usfr-pt_TaxBenefitExerciseStockOptions" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_TaxBenefitExerciseStockOptions" order="12" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredIncomeTaxes" xlink:label="usfr-pt_DeferredIncomeTaxes" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_DeferredIncomeTaxes" order="13" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MinorityInterestNetTaxEffect" xlink:label="usfr-pt_MinorityInterestNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_MinorityInterestNetTaxEffect" order="14" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EarningsLossesEquityInvestments" xlink:label="usfr-pt_EarningsLossesEquityInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_EarningsLossesEquityInvestments" order="15" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" xlink:label="usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_IncomeLossDiscontinuedOperationsNetTaxEffect" order="16" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ExtraordinaryItemsNetTaxEffect" xlink:label="usfr-pt_ExtraordinaryItemsNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_ExtraordinaryItemsNetTaxEffect" order="17" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" xlink:label="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" order="18" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NoncashExpenses" xlink:label="usfr-pt_NoncashExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_NoncashExpenses" order="19" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeOperatingAssetsLiabilities" xlink:label="usfr-pt_ChangeOperatingAssetsLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AdjustmentsReconcileNetIncomeLossNetCashProvidedByUsedOperations" xlink:to="usfr-pt_ChangeOperatingAssetsLiabilities" order="20" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeCurrentAssets" xlink:label="usfr-pt_ChangeCurrentAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeOperatingAssetsLiabilities" xlink:to="usfr-pt_ChangeCurrentAssets" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeReceivables" xlink:label="usfr-pt_ChangeReceivables" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentAssets" xlink:to="usfr-pt_ChangeReceivables" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncreaseFinanceReceivables" xlink:label="usfr-pt_IncreaseFinanceReceivables" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentAssets" xlink:to="usfr-pt_IncreaseFinanceReceivables" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesRelatedPartyReceivables" xlink:label="usfr-pt_ChangesRelatedPartyReceivables" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentAssets" xlink:to="usfr-pt_ChangesRelatedPartyReceivables" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesRelatedPartyAccountsReceivable" xlink:label="usfr-pt_ChangesRelatedPartyAccountsReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesRelatedPartyReceivables" xlink:to="usfr-pt_ChangesRelatedPartyAccountsReceivable" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesRelatedPartyNotesReceivable" xlink:label="usfr-pt_ChangesRelatedPartyNotesReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesRelatedPartyReceivables" xlink:to="usfr-pt_ChangesRelatedPartyNotesReceivable" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncreaseDecreaseInAmountsDueFromOfficersStockholdersCurrent" xlink:label="usfr-pt_IncreaseDecreaseInAmountsDueFromOfficersStockholdersCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesRelatedPartyReceivables" xlink:to="usfr-pt_IncreaseDecreaseInAmountsDueFromOfficersStockholdersCurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncreaseDecreaseInAmountsDueFromAffiliatesCurrent" xlink:label="usfr-pt_IncreaseDecreaseInAmountsDueFromAffiliatesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesRelatedPartyReceivables" xlink:to="usfr-pt_IncreaseDecreaseInAmountsDueFromAffiliatesCurrent" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesAmountsDuefromOtherRelatedPartiesCurrent" xlink:label="usfr-pt_ChangesAmountsDuefromOtherRelatedPartiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesRelatedPartyReceivables" xlink:to="usfr-pt_ChangesAmountsDuefromOtherRelatedPartiesCurrent" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeInventories" xlink:label="usfr-pt_ChangeInventories" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentAssets" xlink:to="usfr-pt_ChangeInventories" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesDeposits" xlink:label="usfr-pt_ChangesDeposits" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentAssets" xlink:to="usfr-pt_ChangesDeposits" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeOtherCurrentAssets" xlink:label="usfr-pt_ChangeOtherCurrentAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentAssets" xlink:to="usfr-pt_ChangeOtherCurrentAssets" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeCurrentLiabilities" xlink:label="usfr-pt_ChangeCurrentLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeOperatingAssetsLiabilities" xlink:to="usfr-pt_ChangeCurrentLiabilities" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeAccountsPayableAccruedExpenses" xlink:label="usfr-pt_ChangeAccountsPayableAccruedExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentLiabilities" xlink:to="usfr-pt_ChangeAccountsPayableAccruedExpenses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesAccountsPayable" xlink:label="usfr-pt_ChangesAccountsPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeAccountsPayableAccruedExpenses" xlink:to="usfr-pt_ChangesAccountsPayable" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesAccruedExpenses" xlink:label="usfr-pt_ChangesAccruedExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeAccountsPayableAccruedExpenses" xlink:to="usfr-pt_ChangesAccruedExpenses" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesAmountsDuetoRelatedPartiesCurrent" xlink:label="usfr-pt_ChangesAmountsDuetoRelatedPartiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentLiabilities" xlink:to="usfr-pt_ChangesAmountsDuetoRelatedPartiesCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesAccountsPayableRelatedParties" xlink:label="usfr-pt_ChangesAccountsPayableRelatedParties" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesAmountsDuetoRelatedPartiesCurrent" xlink:to="usfr-pt_ChangesAccountsPayableRelatedParties" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesNotesPayableRelatedPartiesCurrent" xlink:label="usfr-pt_ChangesNotesPayableRelatedPartiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesAmountsDuetoRelatedPartiesCurrent" xlink:to="usfr-pt_ChangesNotesPayableRelatedPartiesCurrent" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_IncreaseDecreaseInAmountsDueToOfficersStockholdersCurrent" xlink:label="usfr-pt_IncreaseDecreaseInAmountsDueToOfficersStockholdersCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesAmountsDuetoRelatedPartiesCurrent" xlink:to="usfr-pt_IncreaseDecreaseInAmountsDueToOfficersStockholdersCurrent" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesAmountsDuetoAffiliatesCurrent" xlink:label="usfr-pt_ChangesAmountsDuetoAffiliatesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesAmountsDuetoRelatedPartiesCurrent" xlink:to="usfr-pt_ChangesAmountsDuetoAffiliatesCurrent" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangesAmountsDuetoOtherRelatedPartiesCurrent" xlink:label="usfr-pt_ChangesAmountsDuetoOtherRelatedPartiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangesAmountsDuetoRelatedPartiesCurrent" xlink:to="usfr-pt_ChangesAmountsDuetoOtherRelatedPartiesCurrent" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DeferredRevenue" xlink:label="usfr-pt_DeferredRevenue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentLiabilities" xlink:to="usfr-pt_DeferredRevenue" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeIncomeTaxesPayable" xlink:label="usfr-pt_ChangeIncomeTaxesPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentLiabilities" xlink:to="usfr-pt_ChangeIncomeTaxesPayable" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeInterestPayableNet" xlink:label="usfr-pt_ChangeInterestPayableNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentLiabilities" xlink:to="usfr-pt_ChangeInterestPayableNet" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeEmployeeRelatedLiabilities" xlink:label="usfr-pt_ChangeEmployeeRelatedLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentLiabilities" xlink:to="usfr-pt_ChangeEmployeeRelatedLiabilities" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangePrepaidPensionCosts" xlink:label="usfr-pt_ChangePrepaidPensionCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentLiabilities" xlink:to="usfr-pt_ChangePrepaidPensionCosts" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeOtherCurrentLiabilities" xlink:label="usfr-pt_ChangeOtherCurrentLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeCurrentLiabilities" xlink:to="usfr-pt_ChangeOtherCurrentLiabilities" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherChangesNet" xlink:label="usfr-pt_OtherChangesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeOperatingAssetsLiabilities" xlink:to="usfr-pt_OtherChangesNet" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:label="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:to="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CapitalAdditionsNet" xlink:label="usfr-pt_CapitalAdditionsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_CapitalAdditionsNet" order="1" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchasesPaymentsInvestments" xlink:label="usfr-pt_PurchasesPaymentsInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_PurchasesPaymentsInvestments" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseInvestments" xlink:label="usfr-pt_PurchaseInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_PurchaseInvestments" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseMarketableSecurities" xlink:label="usfr-pt_PurchaseMarketableSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseInvestments" xlink:to="usfr-pt_PurchaseMarketableSecurities" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseAvailableSaleInvestments" xlink:label="usfr-pt_PurchaseAvailableSaleInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseMarketableSecurities" xlink:to="usfr-pt_PurchaseAvailableSaleInvestments" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseHeldMaturityInvestments" xlink:label="usfr-pt_PurchaseHeldMaturityInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseMarketableSecurities" xlink:to="usfr-pt_PurchaseHeldMaturityInvestments" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseConsolidatedSubsidiaries" xlink:label="usfr-pt_PurchaseConsolidatedSubsidiaries" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseInvestments" xlink:to="usfr-pt_PurchaseConsolidatedSubsidiaries" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentsUnconsolidatedAffiliates" xlink:label="usfr-pt_PaymentsUnconsolidatedAffiliates" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseInvestments" xlink:to="usfr-pt_PaymentsUnconsolidatedAffiliates" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseProceedsOtherInvestments" xlink:label="usfr-pt_PurchaseProceedsOtherInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseInvestments" xlink:to="usfr-pt_PurchaseProceedsOtherInvestments" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseLifeInsurancePolicies" xlink:label="usfr-pt_PurchaseLifeInsurancePolicies" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_PurchaseLifeInsurancePolicies" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseNotesReceivable" xlink:label="usfr-pt_PurchaseNotesReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_PurchaseNotesReceivable" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SoftwareDevelopmentCosts" xlink:label="usfr-pt_SoftwareDevelopmentCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_SoftwareDevelopmentCosts" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseOtherAssets" xlink:label="usfr-pt_PurchaseOtherAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_PurchaseOtherAssets" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSalePropertyPlantEquipment" xlink:label="usfr-pt_ProceedsSalePropertyPlantEquipment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ProceedsSalePropertyPlantEquipment" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" xlink:label="usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" order="4" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AcquisitionBusinessesNetCashAcquired" xlink:label="usfr-pt_AcquisitionBusinessesNetCashAcquired" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" xlink:to="usfr-pt_AcquisitionBusinessesNetCashAcquired" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSaleBusiness" xlink:label="usfr-pt_ProceedsSaleBusiness" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" xlink:to="usfr-pt_ProceedsSaleBusiness" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SaleInvestments" xlink:label="usfr-pt_SaleInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_SaleInvestments" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsAvailableSaleInvestments" xlink:label="usfr-pt_ProceedsAvailableSaleInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_ProceedsAvailableSaleInvestments" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsHeldMaturityInvestments" xlink:label="usfr-pt_ProceedsHeldMaturityInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_ProceedsHeldMaturityInvestments" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SaleDebtEquitySecurities" xlink:label="usfr-pt_SaleDebtEquitySecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_SaleDebtEquitySecurities" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsOtherInvestments" xlink:label="usfr-pt_ProceedsOtherInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_ProceedsOtherInvestments" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsConsolidatedSubsidiaries" xlink:label="usfr-pt_ProceedsConsolidatedSubsidiaries" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_ProceedsConsolidatedSubsidiaries" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentsUnconsolidatedAffiliatesChangesBalances" xlink:label="usfr-pt_PaymentsUnconsolidatedAffiliatesChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_PaymentsUnconsolidatedAffiliatesChangesBalances" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeShortTermInvestments" xlink:label="usfr-pt_ChangeShortTermInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ChangeShortTermInvestments" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSaleShortTermInvestmentsNet" xlink:label="usfr-pt_ProceedsSaleShortTermInvestmentsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermInvestments" xlink:to="usfr-pt_ProceedsSaleShortTermInvestmentsNet" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseShortTermInvestmentsNet" xlink:label="usfr-pt_PurchaseShortTermInvestmentsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermInvestments" xlink:to="usfr-pt_PurchaseShortTermInvestmentsNet" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsLifeInsurancePolicies" xlink:label="usfr-pt_ProceedsLifeInsurancePolicies" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ProceedsLifeInsurancePolicies" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsPrincipalCollectionsNotesReceivable" xlink:label="usfr-pt_ProceedsPrincipalCollectionsNotesReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ProceedsPrincipalCollectionsNotesReceivable" order="8" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSaleOtherAssets" xlink:label="usfr-pt_ProceedsSaleOtherAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ProceedsSaleOtherAssets" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherInvestingActivitiesNet" xlink:label="usfr-pt_OtherInvestingActivitiesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_OtherInvestingActivitiesNet" order="10" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:label="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:to="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetChangeDebt" xlink:label="usfr-pt_NetChangeDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_NetChangeDebt" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeShortTermBorrowings" xlink:label="usfr-pt_ChangeShortTermBorrowings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeDebt" xlink:to="usfr-pt_ChangeShortTermBorrowings" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeBankOverdraftsNet" xlink:label="usfr-pt_ChangeBankOverdraftsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermBorrowings" xlink:to="usfr-pt_ChangeBankOverdraftsNet" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsShortTermBorrowings" xlink:label="usfr-pt_ProceedsShortTermBorrowings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermBorrowings" xlink:to="usfr-pt_ProceedsShortTermBorrowings" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsLineCreditChangesBalances" xlink:label="usfr-pt_ProceedsLineCreditChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsShortTermBorrowings" xlink:to="usfr-pt_ProceedsLineCreditChangesBalances" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSubordinateDebt" xlink:label="usfr-pt_ProceedsSubordinateDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsShortTermBorrowings" xlink:to="usfr-pt_ProceedsSubordinateDebt" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsNotesPayable" xlink:label="usfr-pt_ProceedsNotesPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsShortTermBorrowings" xlink:to="usfr-pt_ProceedsNotesPayable" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsOtherDebtChangesBalances" xlink:label="usfr-pt_ProceedsOtherDebtChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsShortTermBorrowings" xlink:to="usfr-pt_ProceedsOtherDebtChangesBalances" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsShortTermBorrowings" xlink:label="usfr-pt_RepaymentsShortTermBorrowings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermBorrowings" xlink:to="usfr-pt_RepaymentsShortTermBorrowings" order="3" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsLineCredit" xlink:label="usfr-pt_RepaymentsLineCredit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsShortTermBorrowings" xlink:to="usfr-pt_RepaymentsLineCredit" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ReductionCapitalLeaseObligations" xlink:label="usfr-pt_ReductionCapitalLeaseObligations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsShortTermBorrowings" xlink:to="usfr-pt_ReductionCapitalLeaseObligations" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsOnNotesPayable" xlink:label="usfr-pt_RepaymentsOnNotesPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsShortTermBorrowings" xlink:to="usfr-pt_RepaymentsOnNotesPayable" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsOtherDebt" xlink:label="usfr-pt_RepaymentsOtherDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsShortTermBorrowings" xlink:to="usfr-pt_RepaymentsOtherDebt" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetChangeLongTermDebtCapitalSecurities" xlink:label="usfr-pt_NetChangeLongTermDebtCapitalSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeDebt" xlink:to="usfr-pt_NetChangeLongTermDebtCapitalSecurities" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsLongTermDebt" xlink:label="usfr-pt_ProceedsLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeLongTermDebtCapitalSecurities" xlink:to="usfr-pt_ProceedsLongTermDebt" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceCompanyObligatedMandatorilyRedeemableCapitalSecurities" xlink:label="usfr-pt_ProceedsIssuanceCompanyObligatedMandatorilyRedeemableCapitalSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsLongTermDebt" xlink:to="usfr-pt_ProceedsIssuanceCompanyObligatedMandatorilyRedeemableCapitalSecurities" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceOtherLongTermDebt" xlink:label="usfr-pt_ProceedsIssuanceOtherLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsLongTermDebt" xlink:to="usfr-pt_ProceedsIssuanceOtherLongTermDebt" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsOnLongTermDebt" xlink:label="usfr-pt_RepaymentsOnLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeLongTermDebtCapitalSecurities" xlink:to="usfr-pt_RepaymentsOnLongTermDebt" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsCompanyObligatedMandatorilyRedeemableCapitalSecurities" xlink:label="usfr-pt_RepaymentsCompanyObligatedMandatorilyRedeemableCapitalSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsOnLongTermDebt" xlink:to="usfr-pt_RepaymentsCompanyObligatedMandatorilyRedeemableCapitalSecurities" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsOtherLongTermDebt" xlink:label="usfr-pt_RepaymentsOtherLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsOnLongTermDebt" xlink:to="usfr-pt_RepaymentsOtherLongTermDebt" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetChangeEquity" xlink:label="usfr-pt_NetChangeEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_NetChangeEquity" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceEquity" xlink:label="usfr-pt_ProceedsIssuanceEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeEquity" xlink:to="usfr-pt_ProceedsIssuanceEquity" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceCommonStock" xlink:label="usfr-pt_ProceedsIssuanceCommonStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsIssuanceCommonStock" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceTreasuryStock" xlink:label="usfr-pt_ProceedsIssuanceTreasuryStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsIssuanceTreasuryStock" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuancePreferredStock" xlink:label="usfr-pt_ProceedsIssuancePreferredStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsIssuancePreferredStock" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsStockOptionsExercised" xlink:label="usfr-pt_ProceedsStockOptionsExercised" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsStockOptionsExercised" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetProceedsStockPlans" xlink:label="usfr-pt_NetProceedsStockPlans" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_NetProceedsStockPlans" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceWarrants" xlink:label="usfr-pt_ProceedsIssuanceWarrants" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsIssuanceWarrants" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SaleInterestSubsidiary" xlink:label="usfr-pt_SaleInterestSubsidiary" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_SaleInterestSubsidiary" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherEquityChangesBalances" xlink:label="usfr-pt_OtherEquityChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_OtherEquityChangesBalances" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentRepurchasesEquity" xlink:label="usfr-pt_PaymentRepurchasesEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeEquity" xlink:to="usfr-pt_PaymentRepurchasesEquity" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepurchasePreferredCommonStock" xlink:label="usfr-pt_RepurchasePreferredCommonStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentRepurchasesEquity" xlink:to="usfr-pt_RepurchasePreferredCommonStock" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepurchaseCommonStock" xlink:label="usfr-pt_RepurchaseCommonStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepurchasePreferredCommonStock" xlink:to="usfr-pt_RepurchaseCommonStock" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepurchasePreferredStock" xlink:label="usfr-pt_RepurchasePreferredStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepurchasePreferredCommonStock" xlink:to="usfr-pt_RepurchasePreferredStock" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MinorityInterestSubsidiaryChangesBalances" xlink:label="usfr-pt_MinorityInterestSubsidiaryChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentRepurchasesEquity" xlink:to="usfr-pt_MinorityInterestSubsidiaryChangesBalances" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepurchaseWarrants" xlink:label="usfr-pt_RepurchaseWarrants" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentRepurchasesEquity" xlink:to="usfr-pt_RepurchaseWarrants" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentsRepurchaseOtherEquity" xlink:label="usfr-pt_PaymentsRepurchaseOtherEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentRepurchasesEquity" xlink:to="usfr-pt_PaymentsRepurchaseOtherEquity" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PreferredStockTransactionsNet" xlink:label="usfr-pt_PreferredStockTransactionsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeEquity" xlink:to="usfr-pt_PreferredStockTransactionsNet" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CommonStockTransactionsNet" xlink:label="usfr-pt_CommonStockTransactionsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeEquity" xlink:to="usfr-pt_CommonStockTransactionsNet" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MergerRelatedExpenses" xlink:label="usfr-pt_MergerRelatedExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_MergerRelatedExpenses" order="3" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentDividends" xlink:label="usfr-pt_PaymentDividends" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_PaymentDividends" order="4" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DividendsOnCommonPreferredStock" xlink:label="usfr-pt_DividendsOnCommonPreferredStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentDividends" xlink:to="usfr-pt_DividendsOnCommonPreferredStock" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentCommonDividends" xlink:label="usfr-pt_PaymentCommonDividends" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DividendsOnCommonPreferredStock" xlink:to="usfr-pt_PaymentCommonDividends" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentPreferredDividends" xlink:label="usfr-pt_PaymentPreferredDividends" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DividendsOnCommonPreferredStock" xlink:to="usfr-pt_PaymentPreferredDividends" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentMinorityInterestDividends" xlink:label="usfr-pt_PaymentMinorityInterestDividends" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentDividends" xlink:to="usfr-pt_PaymentMinorityInterestDividends" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherNet" xlink:label="usfr-pt_OtherNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_OtherNet" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EffectExchangeRateOnCashCashEquivalents" xlink:label="usfr-pt_EffectExchangeRateOnCashCashEquivalents" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:to="usfr-pt_EffectExchangeRateOnCashCashEquivalents" order="4" weight="1" use="optional" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://www.xbrl.org/us/fr/lr/role/StatementCashFlowsDirect" xlink:title="Statement of Cash Flows - Direct Method - CI">
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:label="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" xlink:label="usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:to="usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CashSaleGoodsServices" xlink:label="usfr-pt_CashSaleGoodsServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" xlink:to="usfr-pt_CashSaleGoodsServices" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InterestDividendsOnLoansOtherDebtEquityOtherEntities" xlink:label="usfr-pt_InterestDividendsOnLoansOtherDebtEquityOtherEntities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" xlink:to="usfr-pt_InterestDividendsOnLoansOtherDebtEquityOtherEntities" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_InterestReceived" xlink:label="usfr-pt_InterestReceived" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InterestDividendsOnLoansOtherDebtEquityOtherEntities" xlink:to="usfr-pt_InterestReceived" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DividendsReceived" xlink:label="usfr-pt_DividendsReceived" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InterestDividendsOnLoansOtherDebtEquityOtherEntities" xlink:to="usfr-pt_DividendsReceived" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherCashReceipts" xlink:label="usfr-pt_OtherCashReceipts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_InterestDividendsOnLoansOtherDebtEquityOtherEntities" xlink:to="usfr-pt_OtherCashReceipts" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CashPaidEmployeesSuppliers" xlink:label="usfr-pt_CashPaidEmployeesSuppliers" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInOperatingActivities" xlink:to="usfr-pt_CashPaidEmployeesSuppliers" order="3" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentsMaterialsGoodsManufactureResale" xlink:label="usfr-pt_PaymentsMaterialsGoodsManufactureResale" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CashPaidEmployeesSuppliers" xlink:to="usfr-pt_PaymentsMaterialsGoodsManufactureResale" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentsOtherGoodsServices" xlink:label="usfr-pt_PaymentsOtherGoodsServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CashPaidEmployeesSuppliers" xlink:to="usfr-pt_PaymentsOtherGoodsServices" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_TaxesPaid" xlink:label="usfr-pt_TaxesPaid" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CashPaidEmployeesSuppliers" xlink:to="usfr-pt_TaxesPaid" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CashTotalInterestExpense" xlink:label="usfr-pt_CashTotalInterestExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CashPaidEmployeesSuppliers" xlink:to="usfr-pt_CashTotalInterestExpense" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherCashPayments" xlink:label="usfr-pt_OtherCashPayments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_CashPaidEmployeesSuppliers" xlink:to="usfr-pt_OtherCashPayments" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:label="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:to="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CapitalAdditionsNet" xlink:label="usfr-pt_CapitalAdditionsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_CapitalAdditionsNet" order="11" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchasesPaymentsInvestments" xlink:label="usfr-pt_PurchasesPaymentsInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_PurchasesPaymentsInvestments" order="12" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseInvestments" xlink:label="usfr-pt_PurchaseInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_PurchaseInvestments" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseMarketableSecurities" xlink:label="usfr-pt_PurchaseMarketableSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseInvestments" xlink:to="usfr-pt_PurchaseMarketableSecurities" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseAvailableSaleInvestments" xlink:label="usfr-pt_PurchaseAvailableSaleInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseMarketableSecurities" xlink:to="usfr-pt_PurchaseAvailableSaleInvestments" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseHeldMaturityInvestments" xlink:label="usfr-pt_PurchaseHeldMaturityInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseMarketableSecurities" xlink:to="usfr-pt_PurchaseHeldMaturityInvestments" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseConsolidatedSubsidiaries" xlink:label="usfr-pt_PurchaseConsolidatedSubsidiaries" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseInvestments" xlink:to="usfr-pt_PurchaseConsolidatedSubsidiaries" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentsUnconsolidatedAffiliates" xlink:label="usfr-pt_PaymentsUnconsolidatedAffiliates" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseInvestments" xlink:to="usfr-pt_PaymentsUnconsolidatedAffiliates" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseProceedsOtherInvestments" xlink:label="usfr-pt_PurchaseProceedsOtherInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchaseInvestments" xlink:to="usfr-pt_PurchaseProceedsOtherInvestments" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseLifeInsurancePolicies" xlink:label="usfr-pt_PurchaseLifeInsurancePolicies" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_PurchaseLifeInsurancePolicies" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseNotesReceivable" xlink:label="usfr-pt_PurchaseNotesReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_PurchaseNotesReceivable" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SoftwareDevelopmentCosts" xlink:label="usfr-pt_SoftwareDevelopmentCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_SoftwareDevelopmentCosts" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseOtherAssets" xlink:label="usfr-pt_PurchaseOtherAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PurchasesPaymentsInvestments" xlink:to="usfr-pt_PurchaseOtherAssets" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSalePropertyPlantEquipment" xlink:label="usfr-pt_ProceedsSalePropertyPlantEquipment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ProceedsSalePropertyPlantEquipment" order="13" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" xlink:label="usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" order="14" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_AcquisitionBusinessesNetCashAcquired" xlink:label="usfr-pt_AcquisitionBusinessesNetCashAcquired" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" xlink:to="usfr-pt_AcquisitionBusinessesNetCashAcquired" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSaleBusiness" xlink:label="usfr-pt_ProceedsSaleBusiness" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_AcquisitionDivestitureBusinessActivitiesNet" xlink:to="usfr-pt_ProceedsSaleBusiness" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SaleInvestments" xlink:label="usfr-pt_SaleInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_SaleInvestments" order="15" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsAvailableSaleInvestments" xlink:label="usfr-pt_ProceedsAvailableSaleInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_ProceedsAvailableSaleInvestments" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsHeldMaturityInvestments" xlink:label="usfr-pt_ProceedsHeldMaturityInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_ProceedsHeldMaturityInvestments" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SaleDebtEquitySecurities" xlink:label="usfr-pt_SaleDebtEquitySecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_SaleDebtEquitySecurities" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsOtherInvestments" xlink:label="usfr-pt_ProceedsOtherInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_ProceedsOtherInvestments" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsConsolidatedSubsidiaries" xlink:label="usfr-pt_ProceedsConsolidatedSubsidiaries" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_ProceedsConsolidatedSubsidiaries" order="11" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentsUnconsolidatedAffiliatesChangesBalances" xlink:label="usfr-pt_PaymentsUnconsolidatedAffiliatesChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_SaleInvestments" xlink:to="usfr-pt_PaymentsUnconsolidatedAffiliatesChangesBalances" order="12" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeShortTermInvestments" xlink:label="usfr-pt_ChangeShortTermInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ChangeShortTermInvestments" order="16" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSaleShortTermInvestmentsNet" xlink:label="usfr-pt_ProceedsSaleShortTermInvestmentsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermInvestments" xlink:to="usfr-pt_ProceedsSaleShortTermInvestmentsNet" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PurchaseShortTermInvestmentsNet" xlink:label="usfr-pt_PurchaseShortTermInvestmentsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermInvestments" xlink:to="usfr-pt_PurchaseShortTermInvestmentsNet" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsLifeInsurancePolicies" xlink:label="usfr-pt_ProceedsLifeInsurancePolicies" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ProceedsLifeInsurancePolicies" order="17" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsPrincipalCollectionsNotesReceivable" xlink:label="usfr-pt_ProceedsPrincipalCollectionsNotesReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ProceedsPrincipalCollectionsNotesReceivable" order="18" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSaleOtherAssets" xlink:label="usfr-pt_ProceedsSaleOtherAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_ProceedsSaleOtherAssets" order="19" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherInvestingActivitiesNet" xlink:label="usfr-pt_OtherInvestingActivitiesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedInvestingActivities" xlink:to="usfr-pt_OtherInvestingActivitiesNet" order="20" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:label="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:to="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetChangeDebt" xlink:label="usfr-pt_NetChangeDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_NetChangeDebt" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeShortTermBorrowings" xlink:label="usfr-pt_ChangeShortTermBorrowings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeDebt" xlink:to="usfr-pt_ChangeShortTermBorrowings" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ChangeBankOverdraftsNet" xlink:label="usfr-pt_ChangeBankOverdraftsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermBorrowings" xlink:to="usfr-pt_ChangeBankOverdraftsNet" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsShortTermBorrowings" xlink:label="usfr-pt_ProceedsShortTermBorrowings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermBorrowings" xlink:to="usfr-pt_ProceedsShortTermBorrowings" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsLineCreditChangesBalances" xlink:label="usfr-pt_ProceedsLineCreditChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsShortTermBorrowings" xlink:to="usfr-pt_ProceedsLineCreditChangesBalances" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsSubordinateDebt" xlink:label="usfr-pt_ProceedsSubordinateDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsShortTermBorrowings" xlink:to="usfr-pt_ProceedsSubordinateDebt" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsNotesPayable" xlink:label="usfr-pt_ProceedsNotesPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsShortTermBorrowings" xlink:to="usfr-pt_ProceedsNotesPayable" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsOtherDebtChangesBalances" xlink:label="usfr-pt_ProceedsOtherDebtChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsShortTermBorrowings" xlink:to="usfr-pt_ProceedsOtherDebtChangesBalances" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsShortTermBorrowings" xlink:label="usfr-pt_RepaymentsShortTermBorrowings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ChangeShortTermBorrowings" xlink:to="usfr-pt_RepaymentsShortTermBorrowings" order="6" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsLineCredit" xlink:label="usfr-pt_RepaymentsLineCredit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsShortTermBorrowings" xlink:to="usfr-pt_RepaymentsLineCredit" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ReductionCapitalLeaseObligations" xlink:label="usfr-pt_ReductionCapitalLeaseObligations" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsShortTermBorrowings" xlink:to="usfr-pt_ReductionCapitalLeaseObligations" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsOnNotesPayable" xlink:label="usfr-pt_RepaymentsOnNotesPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsShortTermBorrowings" xlink:to="usfr-pt_RepaymentsOnNotesPayable" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsOtherDebt" xlink:label="usfr-pt_RepaymentsOtherDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsShortTermBorrowings" xlink:to="usfr-pt_RepaymentsOtherDebt" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetChangeLongTermDebtCapitalSecurities" xlink:label="usfr-pt_NetChangeLongTermDebtCapitalSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeDebt" xlink:to="usfr-pt_NetChangeLongTermDebtCapitalSecurities" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsLongTermDebt" xlink:label="usfr-pt_ProceedsLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeLongTermDebtCapitalSecurities" xlink:to="usfr-pt_ProceedsLongTermDebt" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceCompanyObligatedMandatorilyRedeemableCapitalSecurities" xlink:label="usfr-pt_ProceedsIssuanceCompanyObligatedMandatorilyRedeemableCapitalSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsLongTermDebt" xlink:to="usfr-pt_ProceedsIssuanceCompanyObligatedMandatorilyRedeemableCapitalSecurities" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceOtherLongTermDebt" xlink:label="usfr-pt_ProceedsIssuanceOtherLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsLongTermDebt" xlink:to="usfr-pt_ProceedsIssuanceOtherLongTermDebt" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsOnLongTermDebt" xlink:label="usfr-pt_RepaymentsOnLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeLongTermDebtCapitalSecurities" xlink:to="usfr-pt_RepaymentsOnLongTermDebt" order="4" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsCompanyObligatedMandatorilyRedeemableCapitalSecurities" xlink:label="usfr-pt_RepaymentsCompanyObligatedMandatorilyRedeemableCapitalSecurities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsOnLongTermDebt" xlink:to="usfr-pt_RepaymentsCompanyObligatedMandatorilyRedeemableCapitalSecurities" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepaymentsOtherLongTermDebt" xlink:label="usfr-pt_RepaymentsOtherLongTermDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepaymentsOnLongTermDebt" xlink:to="usfr-pt_RepaymentsOtherLongTermDebt" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetChangeEquity" xlink:label="usfr-pt_NetChangeEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_NetChangeEquity" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceEquity" xlink:label="usfr-pt_ProceedsIssuanceEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeEquity" xlink:to="usfr-pt_ProceedsIssuanceEquity" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceCommonStock" xlink:label="usfr-pt_ProceedsIssuanceCommonStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsIssuanceCommonStock" order="9" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceTreasuryStock" xlink:label="usfr-pt_ProceedsIssuanceTreasuryStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsIssuanceTreasuryStock" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuancePreferredStock" xlink:label="usfr-pt_ProceedsIssuancePreferredStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsIssuancePreferredStock" order="11" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsStockOptionsExercised" xlink:label="usfr-pt_ProceedsStockOptionsExercised" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsStockOptionsExercised" order="12" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_NetProceedsStockPlans" xlink:label="usfr-pt_NetProceedsStockPlans" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_NetProceedsStockPlans" order="13" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_ProceedsIssuanceWarrants" xlink:label="usfr-pt_ProceedsIssuanceWarrants" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_ProceedsIssuanceWarrants" order="14" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_SaleInterestSubsidiary" xlink:label="usfr-pt_SaleInterestSubsidiary" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_SaleInterestSubsidiary" order="15" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherEquityChangesBalances" xlink:label="usfr-pt_OtherEquityChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_ProceedsIssuanceEquity" xlink:to="usfr-pt_OtherEquityChangesBalances" order="16" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentRepurchasesEquity" xlink:label="usfr-pt_PaymentRepurchasesEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeEquity" xlink:to="usfr-pt_PaymentRepurchasesEquity" order="6" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepurchasePreferredCommonStock" xlink:label="usfr-pt_RepurchasePreferredCommonStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentRepurchasesEquity" xlink:to="usfr-pt_RepurchasePreferredCommonStock" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepurchaseCommonStock" xlink:label="usfr-pt_RepurchaseCommonStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepurchasePreferredCommonStock" xlink:to="usfr-pt_RepurchaseCommonStock" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepurchasePreferredStock" xlink:label="usfr-pt_RepurchasePreferredStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_RepurchasePreferredCommonStock" xlink:to="usfr-pt_RepurchasePreferredStock" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MinorityInterestSubsidiaryChangesBalances" xlink:label="usfr-pt_MinorityInterestSubsidiaryChangesBalances" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentRepurchasesEquity" xlink:to="usfr-pt_MinorityInterestSubsidiaryChangesBalances" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_RepurchaseWarrants" xlink:label="usfr-pt_RepurchaseWarrants" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentRepurchasesEquity" xlink:to="usfr-pt_RepurchaseWarrants" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentsRepurchaseOtherEquity" xlink:label="usfr-pt_PaymentsRepurchaseOtherEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentRepurchasesEquity" xlink:to="usfr-pt_PaymentsRepurchaseOtherEquity" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PreferredStockTransactionsNet" xlink:label="usfr-pt_PreferredStockTransactionsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeEquity" xlink:to="usfr-pt_PreferredStockTransactionsNet" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_CommonStockTransactionsNet" xlink:label="usfr-pt_CommonStockTransactionsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetChangeEquity" xlink:to="usfr-pt_CommonStockTransactionsNet" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_MergerRelatedExpenses" xlink:label="usfr-pt_MergerRelatedExpenses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_MergerRelatedExpenses" order="8" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentDividends" xlink:label="usfr-pt_PaymentDividends" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_PaymentDividends" order="9" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_DividendsOnCommonPreferredStock" xlink:label="usfr-pt_DividendsOnCommonPreferredStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentDividends" xlink:to="usfr-pt_DividendsOnCommonPreferredStock" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentCommonDividends" xlink:label="usfr-pt_PaymentCommonDividends" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DividendsOnCommonPreferredStock" xlink:to="usfr-pt_PaymentCommonDividends" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentPreferredDividends" xlink:label="usfr-pt_PaymentPreferredDividends" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_DividendsOnCommonPreferredStock" xlink:to="usfr-pt_PaymentPreferredDividends" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_PaymentMinorityInterestDividends" xlink:label="usfr-pt_PaymentMinorityInterestDividends" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_PaymentDividends" xlink:to="usfr-pt_PaymentMinorityInterestDividends" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_OtherNet" xlink:label="usfr-pt_OtherNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetCashFlowsProvidedByUsedFinancingActivities" xlink:to="usfr-pt_OtherNet" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="../../../common/pt/2004-08-15/usfr-pt-2004-08-15.xsd#usfr-pt_EffectExchangeRateOnCashCashEquivalents" xlink:label="usfr-pt_EffectExchangeRateOnCashCashEquivalents" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="usfr-pt_NetIncreaseDecreaseCashCashEquivalents" xlink:to="usfr-pt_EffectExchangeRateOnCashCashEquivalents" order="4" weight="1" use="optional" />
  </calculationLink>
</linkbase>