Quirch Inc. manufactures machine parts for aircraft engines. The CEO, Chucky Valters, was considering an offer from a subcontractor that would provide 2,400 units of product PQ107 for Valters for a price of $150,000. If Quirch does not purchase these parts from the subcontractor it must produce them in-house with the following unit costs: Cost per Unit Direct materials $31 Direct labor 19 Variable overhead 8 In addition to the above costs, if Quirch produces part PQ107, it would also have a retooling and design cost of $9,800. The relevant costs of producing 2,400 units of product PQ107 are: O $150,000 O $129,800 O $149,000 O $148,300