Which type of information is exchanged between suppliers and customers via SAP Ariba Supply Chain Collaboration for Buyers? Note: there are 3 correct answers to this question.

Which type of information is exchanged between suppliers and customers via SAP Ariba Supply Chain Collaboration for Buyers? Note: there are 3 correct answers to this question.
A . Component inventory data
B . PO confirmation
C . RFP responses
D . Supplier registration form
E . Purchase order

Answer: A,B,E