$2.$

a$.$ Determine the capacity requirements in all work centers at Green Valley Company using the MPS$,$ resource profile, product structure, and lead time information given below for product $\backslash ($ Z $\backslash )$ and all of its components. $($Assume all usages are one, and that a new setup must be made in each week at each work center.$)$ Also indicate how many hours are past due at each work center so as not to have any backorder.

Product A resource profile