a$.$ In week $1$ there is an MPS quantity of $90$ Ps and $75$ Qs$.$ In week $2$ the MPS quantity calls for $78$ Ps and $103$ Qs$.$ What are the capacity requirements for each of the work centers for weeks $1$ and $2?$

b$.$ Each work center has a standard stated capacity of $120$ hours per week. If the facility uses infinite capacity planning techniques, what should they do$,$ if anything $($be specific$)?$