What is crucial for the implementation of revenues planning and posting for WBS elements?

Revenues & Payment

Your customer wants to plans and post revenues for WBS elements.

What is crucial for the implementation of revenues planning and posting for WBS elements?
A . At least one WBS element must be a billing element.
B. The indicator "Project type" must be set to "Customer project".
C. Revenue planning and billing must be activated in the corresponding network type.
D. A sales order item has to be assigned to each WBS element used for revenue planning.

Answer: A