What are objectives of using safety stock for a material? Note: There are 2 correct Answers to this question.

What are objectives of using safety stock for a material? Note: There are 2 correct Answers to this question.
A . To cover unexpected consumption during the replenishment lead time
B . To cover expected average requirements during the replenishment lead time
C . To cover normal requirements in case of delivery delays.
D . To cover unexpected requirements during the safety time

Answer: A, C