The demand for subassembly S is 150 units in week 7 . Each unit of S requires 1 uait of T and 2 unts of U. Each unt of T requires 1 unit of V, 2 unti of W, and 2 units of X. Finaly, each unt of U requires 2 units of Y and 3 units of Z. One firm manufactures all flems. It takes 2 weeks to make S,1 week to make T,2 woeks to make U,1 week to make V,3 weoks to make W, i 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. In additon to 150 units of 8 , there is also a demand lor 30 unts of U, which is a compenent of S. The 30 units of U are needed for mairtenance purposes These units are needed in weck 6 Modily the gross matenal fequirements plan to reflect this change fope ir the input box is not used)