$2.$ Merton's production manager suggests purchasing Model $101$ or Model $102$ engines

from an outside supplier in order to relieve the capacity problem in the engine

assembly department. If Merton decides to pursue this alternative, it will be

effectively "renting" capacity: furnishing the necessary materials and engine

components, and reimbursing the outside supplier for labor and overhead. Should

the company adopt this alternative? If so$,$ what is the maximum rent it should be

willing to pay for a machine$-$hour of engine assembly capacity? What is the

maximum number of machine$-$hours it should rent?