In Applying MRP Concepts and Logic to the Remanufacturing Environment

Multiple Choice

In applying MRP concepts and logic to the remanufacturing environment, which are the following concepts need to be considered for alteration?
1) Size of the time buckets
2) Sales promotion techniques
3) Bill of Materials (BOM)
4) Safety stock location

A) (3) and (4)
B) (2)
C) (1) and (4)
D) (1) , (3) , and (4)