What indicates that the purchase order line item is for returns in the buyerls SAP ERP system? Note: There are 2 correct answers to this question.

What indicates that the purchase order line item is for returns in the buyerls SAP ERP system? Note: There are 2 correct answers to this question.
A . There is a negative quantity at the line item level
B . The Returns Items flag is checked at the line item level
C . The Negative Net amount is shown at the line item detail level
D . The Confirmation Control is required at the line item detail level.

Answer: A,B