5 6 7 S 11 1 The demand for subassembly S is 80 units in week 7. Each unit of requires 1 unit of T and 2 units 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. 2 weeks to make X. 2 weeks to make Y, and 1 week to make Z Click the icon to view the product structure and the time phased product structure Construct a gross material requirements plan (type of the input box is not used). Week Lead Time Item 1 2 3 4 (weeks) Gross req Order release 2 T Gross req Order release U Gross reg Order release Gross reg 2 Order release Gross reg Order release 3 Gross reg Order release 2 Gross req Order release 2 Z Gross reg Order release -- 2 V - - - W - - Y JE