what do you need to ask your customer when gathering the requirements for commodity codes? Note: there are 3correct answers to this question.

what do you need to ask your customer when gathering the requirements for commodity codes? Note: there are 3correct answers to this question.
A . will customers use UNSPSC as the commodity coding in SAP Ariba Buying and invocing?
B. will suppliers use UNSPSC commodity codes in their catalogs?
C. will users need to see the ERP commodity codes in SAP Ariba buyingand invoicing
D. will customers use two or three levels in their commodity codes hierarchies?
E. will customers use commodity code to drive invoice approval flows?

Answer: A,B,C