End Item Alpha's Product Structure Tree and Inventory Information Are

Essay

End item Alpha's product structure tree and inventory information are as follows: (A) If 50 units of Alpha are to be assembled, how many additional units of S will be needed? All parts can be ordered using lot-for-lot ordering, except M, which must be ordered in multiples of 40 units. [Hint: You don't need to do an MRP plan.]
(B) An order for 100 units of Alpha is scheduled to be shipped at the start of week 9. When is the earliest that any particular component must be started so that the order for Alpha will be ready to ship? [Hint: You don't need to do an MRP plan.]