Please help me with question 5.1.3

5.1 A certain product PR1 is made up of: one B assembly, one A part, and two parts. Each B assembly is made of one E subassembly, two parts, and one F part. Each E subassembly is made of two parts, one H part, and one I part. The inventory information is shown in the table below: Component Lot Size Allocated Lead On-hand time stock Safety Stock Schedule Receipts Quantity Week Stock PR1 LFL 1 50 800 200 100 50 LFL 2 50 100 1 B 500 1 400 100 50 LFL 1 400 100 50 D 500+ 2 100 50 120 NI 400 500 E 100+ 1 100 100 F LFL 1 400 100 100 G LFL 1 200 H 1 400 400 100 LFL 800 200 200 50 200 1 50 1 5.1.1 Construct the product structure tree for the product PR1. (5) 5.1.2 Construct a product indented bill of material. (6) 27 5.1.3 Develop a Material Requirements Plan (MRP) to cover a 6 week planning period it the Master Production schedule (MPS) shows an estimated demand or gross requirement of 650 units in week 4, and 500 units in week 5 and 500 units in week 6. (25)