Which transactions can you use to check the mapping of this business partner?

Financial document is posted to the wrong business partner in Central Finance.

Which transactions can you use to check the mapping of this business partner? Note: There are 2 correct answers to this question.
A . Search key mapping(transeaction MGD_ANALYSE-IDM).
B . Define Value Mapping (Code Mapping)(transaction CFINIMG).
C . Maintain Business Partner (transaction BP).
D . Manage key mapping (transaction MGD_KM_MAINTAIN).

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Answer: A,D