The demand for subassembly S is 90 units in week 7. Each unit of S requires 1 unit of T and 1 unit of U. Each unit of T requires 1 unit of? V, 1 unit of? W, and 1 unit of X.? Finally, each unit of U requires 2 units of Y and 3 units of Z. One firm manufactures all items. It takes 2 weeks to make? S, 1 week to make? T, 2 weeks to make? U, 2 weeks to make? V, 3 weeks to make? W, 1 week to make? X, 2 weeks to make? Y, and 1 week to make Z.

Suppose that in addition to 90 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. Modify the net material requirements plan to reflect these changes.

Construct a new net material requirements plan ?(enter your responses as whole numbers?).

Item Week Lead Time 1 2 3 4 5 6 7 (weeks) S Gross req On hand Net reg 2 Order receipt Order release T Gross req On hand Net req Order receipt Order release U Gross req On hand Net req Order receipt Order release V Gross req On hand Net req 2 Order receipt Order releaseW Gross req On hand Net reg Order receipt Order release X Gross req On hand Net req Order receipt Order release Y Gross req On hand Net req Order receipt Order release Z Gross req On hand Net req Order receipt Order release