Utilizing the Step-by-Step MRP Calculation Process, solve the following MRP problem given: Product A is an end item and is made from two units of B and four of C. B is made of three units of D and two of E. Product C is made of two units of F and two of E. Product A has a lead-time of one week. Products B, C and E have lead-times of two weeks. Products D and F have a lead-time of three weeks.
a. Show the bill of material (product structure tree). b. If 100 units of A are required in week 10, develop the MRP planning schedule, specifying when items are to be ordered and received. There are currently no units of inventory on hand.