The demand for subassembly S is 130 units in week 7 . Each unit of S recuires 2 units of T and 1 unit of U. Each unit of Trequires 1 unit of V,1 unit of W, and 2 units 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 fo make T,2 woeks to make U, 2 weeks to make V,3 woeks to make W,1 week to make X,2 weeks to make Y, and 1 week 10 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 130 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 mainlenance purposes. These units are needed in week 6. Additionally, a now order has been recelved for 80 unsts of S due in woek 8 . Modity the net malerial requirements plan to reflect these changes