In an MRP problem, A is an MPS item. Every A requires 2 B’s and 3 C’s. Every B requires 5 C’s. All lead times are two periods. Initial inventory values for A is 100, B is 200 and C is 0. Use lot-4-lot method for order quantities for all items. If gross requirement for A is 800 in period 9, what will be the planned order release for B in period 5?
The MRP’s for item A and