construct a gross material requirement plan

construct a net material requirement plan using the following one hand inventory

Chapter 14 Homework 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. Construct a product tree. Construct a gross material requirement plan. Construct a net material requirement plan using the following on-hand inventory: Item On-hand Inventory S 20 T 20 U 40