The demand for sub assembly S is 100 units in week 7. Each unit of S requires 1 unit of T and 2 units of U. Each unit of T requires 1 unit of V, 2 units of W, and 1 unit 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 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.

Construct a net material requirements plan using on-hand inventory for S,T,U,V,W,X,Y,Z

The product structure. The time-phased product structure. Level S TO 2 V(1) W2) X(1) Y(2) Z3) Time in weeks On-Hand Inventory Item Item w On-Hand Inventory 30 240 40