Which of the following statements is most accurate regarding the PRPC data model?

Which of the following statements is most accurate regarding the PRPC data model?
A . In a good design there would be no business rules or processes defined in the data classes
B . The PRPC data model can help promote reuse via inheritance and composition
C . The PRPC data model should be stored in a separate RuleSet from application/business rules
D . The PRPC data model should always be modeled after the external systems with which it interfaces

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Answer: B