Quigby Corporation currently makes 10,000 machinery parts a year. The cost per unit to produce a part is Cost per unit Direct materials $25 Direct labor $10 Variable manufacturing overhead $15 Fixed manufacturing overhead $20 An outside supplier has offered to sell 8,500 parts to the company for $65 per unit. If the company accepts the outside offer, what will be the effect on operating profit? O $85.000 increase O $170.000 decrease O $127.500 decrease $42.500 Increase