Please answer for X, Y and Z.

The demand for subassembly S is 110 units in week 7. Each unit of S requires 1 unit of T and 2 units of U. Each unit of T requires 2 units of V, 2 units 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 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 Item Lead Time (weeks) 1 2 3 4 5 6 7 S Gross req 110 On hand 20 90 2 Net req Order receipt Order release 90 90 T Gross reg 90 On hand 20 70 Net Order receipt Order release 70 70 30 150 2 150 150 V On hand Net reg Order receipt Order release Gross req On hand Net req Order receipt Order release 140 20 120 2 120 120 w Gross reg 140 30 110 3 110 110 On hand Net reg Order receipt Order release Gross req On hand Net req Order receipt Order release 320 30 40 1 40 40 Item S On-Hand Inventory 20 20 30 20 Item W X Y z On-Hand Inventory 30 30 40 450