What are the options available when suppliers create an order confirmation in Ariba Network? Note: There are 3 correct answers to this question

What are the options available when suppliers create an order confirmation in Ariba Network? Note: There are 3 correct answers to this question
A . Deliver Line Item
B . Update Line Items
C . Approve Entire Order
D . Confirm Entire Order
E . Reject Entire Order

Answer: B,D,E