. 14.0 "Net Materials Requirement Plan for Problem 14.7." 14.9 Refer again to Problems 14.5 and 14.7. In addition to 100 units of S, there is also a demand for 20 units of U. which is a component of S. The 20 units of U are needed for maintenance purposes. These units are needed in week 6. Additionally, a new order has been received for 80 units of S due in week 8. Modity the net requirements plan to reflect these changes. PX The demand for subassembly S is 100 units in week 7. .. 14.6 Using the information in Problem 14.5. construct a Each unit of requires I unit of T and 2 units of U. Each unit of T requires I unit of V, 2 units of W, and I unit of X. Finally, each gross material requirements plan. PC unit of U requires 2 units of Y and 3 units of Z. One firm manu- 14.7 Using the information in Problem 14.5, construct a net factures all items. It takes 2 weeks to make S, 1 week to make T. material requirements plan using the following on-hand inventory. PX ON HAND 2 weeks to make U. 2 weeks to make V, 3 weeks to make W. ITEM INVENTORY INVENTORY I week to make X, 2 weeks to make Y, and I week to make Z. 30 2) Construct a product structure. Identify all levels, parents, and components U 40 240 b) Prepare a time-phased product structure, ON-HAND ITEM w S T 20 20 25 SXN V 30 40