Which buyer business requirements are addressed by SAP Ariba Supply Chain Collaboration? Note: There are 3 correct answers to this question.

Which buyer business requirements are addressed by SAP Ariba Supply Chain Collaboration? Note: There are 3 correct answers to this question.
A . Consigned inventory
B. Spend visibility
C. Subcontracting order
D. Contract management
E. Forecast visibility

Answer: A,C,E