Which of the following SAP S/4HANA Sales organizational unit assignments are mandatory? Note: There are 2 correct answers to this question.

Which of the following SAP S/4HANA Sales organizational unit assignments are mandatory? Note: There are 2 correct answers to this question.
A . Division to sales organization
B . Plant to combination of sales organization and distribution channel
C . Sales office to sales area
D . Sales group to sales office

Answer: A, B