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 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) 1 2 3 4 5 6 7 Item S U 2 T JL 2 Gross reg Order release Gross reg Order release Gross req Order release Gross req Order release U 2 O V 1 W Gross req Order release 2 Gross req Order release 1 Y Gross req Order release Gross req Order release OOOOO NO 2 z 2 More Info - The product structure. The time-phased product structure. V Level 0 T T2) X U(1) N