100 units of end item Z are needed at the beginning of week 8 . On hand balances: Z=20,A=30, and B=15 units. There is a scheduled receipt of 10 units of A in week 4 , and 15 units of C in week 3 . Lead times are lweek for Z and 2 weeks for B, and 3 weeks for other items. Lot-for-lot ordering is used for all items. The product structure tree is shown below: Prepare a material requirement plan for components Z, A, B, and C. You can enter your answers in the tables provided 100 units of end item Z are needed at the beginning of week 8 . On hand balances: Z=20,A=30, and B=15 units. There is a scheduled receipt of 10 units of A in week 4 , and 15 units of C in week 3 . Lead times are lweek for Z and 2 weeks for B, and 3 weeks for other items. Lot-for-lot ordering is used for all items. The product structure tree is shown below: Prepare a material requirement plan for components Z, A, B, and C. You can enter your answers in the tables provided