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<!-- DFIN ActiveDisclosure(SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ --> |
<!-- Creation Date : 2022-03-08T11:11:59.1852048+00:00 --> |
<!-- Version : 5.0.1.728 --> |
<!-- Package ID : c0f0d22e57b64e2bbffd7b9dd98fd31c --> |
<!-- Copyright (c) 2022 Donnelley Financial Solutions, Inc. All Rights Reserved. --> |
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| | <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ai_InterestAndOtherIncomeOperating" xlink:to="us-gaap_InterestAndOtherIncome" order="10220.00" priority="2" use="optional" weight="1.00"/> |
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| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:type="locator" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets"/> |
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| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:type="locator" xlink:label="us-gaap_OtherNoncashIncomeExpense"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:type="locator" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_GainLossOnInvestmentAndDerivatives" xlink:type="locator" xlink:label="ai_GainLossOnInvestmentAndDerivatives"/> |
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| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:type="locator" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities" xlink:type="locator" xlink:label="us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_ProceedsFromPaymentsOfRestrictedCashBalanceOfVIEUponConsolidation" xlink:type="locator" xlink:label="ai_ProceedsFromPaymentsOfRestrictedCashBalanceOfVIEUponConsolidation"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromSaleOfMortgageServicingRightsMSR" xlink:type="locator" xlink:label="us-gaap_ProceedsFromSaleOfMortgageServicingRightsMSR"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_ProceedsFromPrincipalPaymentsOnMortgageLoansOfConsolidatedVIE" xlink:type="locator" xlink:label="ai_ProceedsFromPrincipalPaymentsOnMortgageLoansOfConsolidatedVIE"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_ProceedsFromPrincipalPaymentsOfPrincipalOnLoans" xlink:type="locator" xlink:label="ai_ProceedsFromPrincipalPaymentsOfPrincipalOnLoans"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_ProceedsFromPrincipalPaymentsOnCreditSecurities" xlink:type="locator" xlink:label="ai_ProceedsFromPrincipalPaymentsOnCreditSecurities"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_ProceedsFromPrincipalPaymentsOfMortgageBackedSecuritiesCategorizedAsAgencyBacked" xlink:type="locator" xlink:label="ai_ProceedsFromPrincipalPaymentsOfMortgageBackedSecuritiesCategorizedAsAgencyBacked"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_ProceedsFromSalesOfCreditSecurities" xlink:type="locator" xlink:label="ai_ProceedsFromSalesOfCreditSecurities"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_ProceedsFromSaleOfMortgageBackedSecuritiesCategorizedAsAgencyBacked" xlink:type="locator" xlink:label="ai_ProceedsFromSaleOfMortgageBackedSecuritiesCategorizedAsAgencyBacked"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireRealEstateHeldForInvestment" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireRealEstateHeldForInvestment"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireMortgageServicingRightsMSR" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireMortgageServicingRightsMSR"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireLoansHeldForInvestment" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireLoansHeldForInvestment"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_PaymentsToAcquireCreditSecurities" xlink:type="locator" xlink:label="ai_PaymentsToAcquireCreditSecurities"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:type="locator" xlink:label="us-gaap_PaymentsToAcquireInvestments"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:type="locator" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:type="locator" xlink:label="us-gaap_PaymentsOfDividendsCommonStock"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_PaymentsForRepurchaseOfLongTermUnsecuredDebt" xlink:type="locator" xlink:label="ai_PaymentsForRepurchaseOfLongTermUnsecuredDebt"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfUnsecuredDebt" xlink:type="locator" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSecuredDebt" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfSecuredDebt"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredDebt"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" xlink:type="locator" xlink:label="us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" xlink:type="locator" xlink:label="us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:type="locator" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock"/> |
| | <link:loc xlink:href="ai-20211231.xsd#ai_ProceedsFromPaymentsForRepaymentsOfSecuredDebtOfConsolidatedVIENet" xlink:type="locator" xlink:label="ai_ProceedsFromPaymentsForRepaymentsOfSecuredDebtOfConsolidatedVIENet"/> |
| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase" xlink:type="locator" xlink:label="us-gaap_ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase"/> |
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| | <link:loc xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:type="locator" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/> |
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