PLEASE SHOW THE CALCULATION. THANK YOU

The demand for subassembly S is 140 units in week 7 . Each unit of S requires 2 units of T and 2 units of U. Each unit of T requires 2 units 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, 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 1 week to make Z. Click the icon to view the product structure and the time-phased product structure. Click the icon to view the on-hand inventory. Suppose that in addition to 140 units of S, there is also a demand for 30 units of U, which is a component of S. The 30 units of U are needed for maintenance purposes. These units are needed in week 6 . Modify the net material requirements plan to reflect this change. The product structure. The time-phased product structure. \begin{tabular}{cc|cc} \hline Item & On-HandInventory & Item & On-HandInventory \\ \hline S & 20 & W & 25 \\ T & 20 & X & 25 \\ U & 30 & Y & 210 \\ V & 20 & Z & 40 \\ \hline \end{tabular} \begin{tabular}{c|l|l|l|l|c|c|c|c|} \hline W & Gross req & & & & 440 & & & \\ \hline & On hand & & & & 25 & & & \\ \hline & Net req & & & & 415 & & & \\ \hline & Order receipt & & & & 415 & & & \\ \hline & Order release & 415 & & & & & & \\ \hline X & Gross req & & & & 440 & & & \\ \hline & On hand & & & & 25 & & & \\ \hline & Net req & & & & 415 & & & \\ \hline & Order receipt & & & & 415 & & & \\ \hline & Order release & & & 415 & & & & \\ \hline Y & Gross req & & & & & & & \\ \hline & On hand & & & & & & & \\ \hline & Net req & & & & & & & \\ \hline & Order receipt & & & & & & & \\ \hline & Order release & & & & & & & \\ \hline & Gross req & & & & & & \\ \hline & On hand & & & & & & & \\ \hline & Net req & & & & & & & \\ \hline & Order receipt & & & & \\ \hline & Order release & & & & & & & \\ \hline \end{tabular}