Please show all steps

The demand for subassembly S is 90 units in week 7 . Each unit of S requires 2 units of T and 1 unit of U. Each unit of T requires 1 unit of V,2 units of W, and 2 units of X. Finally, each unil of U. requires 2 units of Y and 3 units of Z. One tirm manufactures all aems. it takes 2 weeks to make S,1 woek to make T,2 weeks to make U,2 weeks to make Y,3 weeks to make W,1 week to makn X, 2 weeks to make Y, and 1 week to mako Z. Cick the icon to view the product structure and the time-phased product structure. Click the icon to view the on-hand inventory Construct a net material requirements plan using on-hand inventory (onfer your responses as wholo munbors). More Info The time-phased product structure. More Info