Williston Technologies wishes to use MRP methodology to develop a plan for the next 9 weeks. Williston Technologies has gathered the following information:

a. Using MRP methodology, how much of parts A, B, C, and D should be ordered, and when should they be ordered?

b. Based on the material requirements plan developed for Williston Technologies, how much of parts A, B, C, and D will remain in inventory at the end of week 9?

c. Williston Technologies has just learned that the order for 200 As appearing in week 4 has been cancelled. How does this change the material requirements plan?

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Bill of materials B D Current Inventory Records Part Lead Time (Weeks) Lot Size Inventory Currently on Hand A LFL 100 B 2 50 150 C 2 25 50 D 3 LFL 150 Master Production Schedule Weeks Part 1 2 3 4 5 LO 6 7 8 9 A 50 0 50 200 0 0 100 0 100