If an intercompany invoice is posted automatically to the accounts payables of the ordering company, which activities have already occurred? Note: There are 2 correct answers to this question.

If an intercompany invoice is posted automatically to the accounts payables of the ordering company, which activities have already occurred? Note: There are 2 correct answers to this question.
A . A billing document with reference to the debit memo request was created by the delivering company.
B. The event-based revenuerecognition has been completed for the project.
C. A consumption material was requested for a customer project and a purchase order was created and sent to the supplier.
D. The delivering company posted expenses and recorded time on the customer project.

Answer: A,D