A 25-in.3 plastic part is to be made by injection molding. The cost of material is $2.00/lb, and its specific gravity is 1.4. The mold has four cavities. The part has a maximum wall thickness of 0.15...

A 25-in.3 plastic part is to be made by injection molding. The cost of material is $2.00/lb, and its specific gravity is 1.4. The mold has four cavities. The part has a maximum wall thickness of 0.15 in. Determine the unit cost if the setup time is 1 hr, the setup cost is $200kr, the labor rate is $20/ hr, the material scrap rate is 20 percent, and the lot is 1000 parts. (each 0.036 lb/in.3)