In a standard SAP S/4HANA system, which elements are a possible source for the partner function in your sales order? Note: There are 2 correct answers to this question.

In a standard SAP S/4HANA system, which elements are a possible source for the partner function in your sales order? Note: There are 2 correct answers to this question.
A . Customer hierarchy
B . Preceding value contract
C . Preceding delivery
D . Material master record

Answer: A,B