In the standard SAP S/4HANA systern, which of the following documents are configured with a billing block by default? Note: There are 2 correct answers to this question

In the standard SAP S/4HANA systern, which of the following documents are configured with a billing block by default? Note: There are 2 correct answers to this question
A . Free-of-charge order
B . Credit memo
C . Returns order
D . Credit/debit merno request

Answer: B D