Determine material requirements plans for parts N and V and subassembly I as described in Solved Problem 3 for each of the following:

a. Assume there are currently 100 Ns on hand, and scheduled receipts of 40 Is and 10 Vs at the beginning of week 3. No Es are on hand; 120 Es are needed at the start of week 5.

b. Assume on-hand and scheduled receipts as in part

a. Now suppose that 100 Es are needed at the start of week 5, and 55 are needed at the start of week 7. Also, use multiples of these order sizes: N, 800; V, 200. Use lot-for-lot ordering for I.

c. Using your answer to part

b, update the MRP for 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).

The updated master schedule now has an order for 100 units of E in week 9. Your plan should cover weeks 2 through 9 for case 1, and weeks 4 through 11 for case 2. Assume all orders are released and received as planned.

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