The demand for subassembly S is 140 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 2 units of X. Finally, each unit of U requires 1 unit of Y and 2 units of Z gestion list 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 2 weeks to make Z Click the icon to view the product structure and the time-phased product structure. Question 1 In addition to 140 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. Modify the gross material requirements plan to reflect this change (type 0 if the input box is not used) Question 2 Week Lead Time Item 1 2 3 4 5 6 7 (weeks) S Gross req X Order release 2 More Info T Gross req Order release 1 The product structure. The time-phased product structure. U Gross req Order release 2 + Level V Gross req 0 S Order release IN U (1) S W Gross req Order release V (1) W(1) X(2) (1) X Z ( 2) Gross req 6 Order release Time in weeks Y Gross req Order release IN Z Gross req Order release 2 Print Done Next