Determine the material requirements plans for parts N and V and subassembly J. as described in Solved Problem 2 (see figure there) for each of the following situations:
a. Assume that there are currently 100 Ns on hand and scheduled receipts of 40 Is and 10 Vs are expected at the beginning of week 3. Suppose that 120 Es are needed at the start of week 5.
b. Assume on-hand and scheduled receipts are as in part a. Now suppose that 100 Es are needed at tire start of week 5 and 50 at the start of week 7. Also, use multiples of these order sizes: N, 800; V, 200. Use lot-for-lot ordering for I and E.
c. Using your answer to part update the MRP for I, N, and V, using the following additional information for each of these cases: (1) one week has elapsed (making it the start of week 2), and (2) three weeks have elapsed (making It the start of week 4). Note: Start your revised plans so that the updated time in each case is designated as week 1. The updated production schedule now has an order for 100 units of E in week 8 of case 1 and in week 6 of case 2 (i.e., week 9 under the former production schedule). Assume ell orders ere released and received as planned.