Revisit Later 4. Assume you are working as a manager in an engine manufacturing company. You just received an order of 50 engines, which will be shipped at the start of week 8. Relevant information related to engines is given below. Item Lead Time (Weeks) On hand Inventory Components Engine 2 15 A(2), B(1), C(4) A 1 10 E(3), D(1) B 2 5 D(2), F(3) C 2 65 E(2), D(2) D 20 20 1 10 2 30 i. Develop a product structure tree and estimate the parts required. ii. Outline a material requirement plan for item C using lot-for-lot ordering.