Suppose that Z is made of two units of A and four units of B. A is made of 3 units of C and 4 of D. D is made of 2 units of E.
Lead times for purchase or fabrication of per unit to final assembly are: Z takes two week; A, B, C and D take one week each; and E takes 3 weeks.
Fifty units are needed in Period 10. (Suppose that there is currently no inventory on hand on any of such items.)
A. Demonstrate the bill of materials (product structure tree).
B. Make an MRP planning schedule demonstrate and net requirements and order release and order reciept dates.