2. (BOM, Basic MRP Report Output) Assume that Product Z is made of two units of A and four units of B. A is made of three units of C and four of D. D is made of two units of E. Lead times for purchase or fabrication of each unit to final assembly are: Z take two weeks; A, B, C, and D take one week each; and E takes three weeks. Fifty units are required in Period 10. (Assume that there is currently no inventory on hand and no scheduled receipts of any of the these items) (a) Show the bill of materials (product structure tree). (b) Develop an MRP planning schedule showing gross and net requirements, order release and order receipt dates. 2. (BOM, Basic MRP Report Output) Assume that Product Z is made of two units of A and four units of B. A is made of three units of C and four of D. D is made of two units of E. Lead times for purchase or fabrication of each unit to final assembly are: Z take two weeks; A, B, C, and D take one week each; and E takes three weeks. Fifty units are required in Period 10. (Assume that there is currently no inventory on hand and no scheduled receipts of any of the these items) (a) Show the bill of materials (product structure tree). (b) Develop an MRP planning schedule showing gross and net requirements, order release and order receipt dates