Part 2 Numerical question Question 1 The component A has the following structure: 1 unit A requires 2 units B and 1 unit C. 1 unit B requires 2 units D and 2 units E. 1 unit C requires 2 units D and 4 units E. 1 unit E needs 1 unit D. The lead time and the initial inventory is shown in the following table: Item Lead time (week) Initial inventory (units) A 1 0 B 3 15 C 1 0 D 1 0 E 1 100 The company needs 10 units A at the week 7 and 50 units at the week 8. 50 units D is scheduled to arrive at the week 2. Component D requires to be ordered by lot and the lot size is 50. a) Draw the product structure tree from the component A. b) Perform MRP for all components