What are prerequisites for evaluated receipt settlement (ERS)? Note: There are 3 correct Answers to this question.

What are prerequisites for evaluated receipt settlement (ERS)? Note: There are 3 correct Answers to this question.
A . Invoicing plan item in the PO
B . Estimated Price checkbox in the PO item
C . Goods receipt with reference to the PO Flagged
D . Flagged checkbox for the automatic settlement of goods received
E . Terms of payment in the purchase order (PO) header

Answer: A, C, D