Which of the following tasks does the system perform during reorder point planning? Note: There are 2 correct answers to this question.

Which of the following tasks does the system perform during reorder point planning? Note: There are 2 correct answers to this question.
A . Flag materials that have been subject to an activity relevant to MRP
B . Carry out a lot-size calculation for every material with net requirements
C . Carry out a net requirement calculation for every material included in the planning run
D . Perform backward scheduling to determine the availability dates of purchase requisitions

Answer: B C