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A.reduceunnecessarydisruption，delays，rework，andotherproblemsbyestablishingtestcasesforuseinverifyingthatthesystemmeetsoperational，functional，andinterfacerequirements
B.improveitsabilitytomakesoundfinancialdecisionsbydevelopingabusinesscasebasedonitsbusinessrequirementsandestablishingabasisfordevelopingatechnologystrategy
C.reduceoperatingcostsandlimitchange-relatedincidentsbyprovidingaconsistentandefficientsetofprocesses
D.improvethereturnoninvestmentandhastenmigrationbyidentifyingandplanningfornecessaryinfrastructurechangesandresourceadditions，aswellasreducedeploymentcostsbyanalyzinggapsearlyintheplanningprocesstodeterminewhatisneededtosupportthesystem
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