The demand for subassembly S is 80 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, 1 unit 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 4 Item S U V W Gross req On hand Net req Order receipt Order release Gross req On hand Net req Order receipt Order release Gross req On hand Net req Order receipt Order release Gross req On hand Net req Order receipt Order release Grace ran 1 2 3 5 6 7 Lead Time (weeks) 2 1 2 2 V W X Y Z Net req Order receipt Order release Gross req On hand Net req Order receipt Order release Gross req On hand Net req Order receipt Order release Gross req On hand Net req Order receipt Order release Gross req On hand Net req Order receipt Order release Gross req On hand Net req Order receipt Order release 7 | | 2 N 1 2 Level 0 1 The product structure. T(1) S U (2) 2 V (2) W(1) X(2) Y(2) Z(3) Q The time-phased product structure. Q 1 Y Z W X T U 2 3 5 Time in weeks 6 S Item STUV S V On-Hand Inventory 20 2288 20 30 20 Item W X Y Z On-Hand Inventory 25 30 40 270