Why do you use a price breakdown in a sourcing event? Note: there are 2 correct answers to this question.

Why do you use a price breakdown in a sourcing event? Note: there are 2 correct answers to this question.
A . To obtain pricing for every item within a lot
B . To gain insight into how suppliers arrive at their prices
C . To account for non-price factors using a formula
D . To require suppliers to bid in the cost components of an item

Answer: AB