Which SAP Ariba Supplier Lifecycle and Performance system groups do you assign to a category buyer?

Your customer needs to initiate and manage supplier registrations, qualifications, and disqualifications.

Which SAP Ariba Supplier Lifecycle and Performance system groups do you assign to a category buyer? Note: There are 2 correct answer to this question
A . Preferred Supplier Manager
B. Supplier Registration Manager
C. Supplier Qualification Manager
D. Supplier Request Manager

Answer: B C