What does the Alternative-Based Confirmation (ABC-ATP) allow? Note: There are 3 correct answers to this question.

What does the Alternative-Based Confirmation (ABC-ATP) allow? Note: There are 3 correct answers to this question.
A . Replace a requested material with an alternative one
B. Substitute the delivering plant in the sales order item
C. Postpone confirmed orders with lower priority
D. Check against alternative sources of supply
E. Create partial confirmations in multiple plants

Answer: A,C,D