The demand for subassembly S is 90 units in week 7. Each unit of Srequires 2 units of T and 1 unit of U. Each unit of T requires 1 unit of V, 2 units of W, and 2 units of X. Finally, each unit of U requires 1 unit of Y and 3 units of Z. One firm manufactures all items. It takes 2 weeks to make S, 2 weeks to make T, 2 weeks to make U, 1 week to make V, 2 weeks to make W, 1 week to make X, 2 weeks to make Y, and 2 weeks to make Z. Click the icon to view the product structure and the time-phased product structure. Construct a gross material requirements plan (type 0 if the input box is not used). Week Lead Time (weeks) Item 1 2 3 4 5 6 7 S Gross req Order release 2 Gross req Order release 2 U Gross reg Order release 2 V Gross reg Order release 1 W Gross req 2 Order release Gross reg Order release Gross req Order release 1 Y 2 Z Gross req Order release H 2 i More Info x The product structure. The time-phased product structure. Level | 0 S T T(2) U (1) 1 S XXN LY U 2 V(1) W(2) X(2) Y(1) Z3) 1 4 5 03- 7 2 3 Time in weeks Print Done