Need help for net material plan for T, U, V, W, X, Y, Z

The demand for subassembly 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. Click 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 (enter your responses as whole numbers). Week 4 Lead Time (weeks) Item 1 2 3 5 6 7 S Gross req 100 On hand 20 Net req 80 2 Order receipt 80 Order release 80 T Gross req On hand Net req 1 Order receipt More info Item S T U WED> On-Hand Inventory 20 20 40 30 Item W Y z On-Hand Inventory 30 25 240 40 Print Done More info The product structure. The time-phased product structure. Level V 0 S W T SX 1 T(1) U12) 1 S E Y By U N 2 V1) W(2) X(1) Y(2) Z(3) 1 6 7 2 3 4 5 Time in weeks Print Done