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

Part 2 In addition to units of S, there is also a demand for units of U, which is a component of S. The units of U are needed for maintenance purposes. These units are needed in week 6. Modify the gross material requirements plan to reflect this change (type 0 if the input box is not used).

Week Lead Time: 2

Item 1 2 3 4 5 6 7 (weeks)

S Gross req: _______

Order release: _______