How is the primary key (PK) for an SAP Commerce Cloud item created? Note: There are 2 correct answers to this question.

How is the primary key (PK) for an SAP Commerce Cloud item created? Note: There are 2 correct answers to this question.
A . It is automatically generated and assigned.
B . It is generated from a counter and the type code of the item.
C . It is generated from the item’s unique business key(s).
D . It is provided by the user in the Create wizard or as a column value in ImpEx.

Answer: A, B