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Four holes must be drilled in a casting which forms the housing for an electric motor

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Four holes must be drilled in a casting which forms the housing for an electric motor. The holes may be located and drilled without the aid of a jig by a skilled machinist whose wage rate is $29 per hour. His production time will be 2.5 minutes per housing. A jig could be built at a cost of $500 permitting the holes to be drilled by a machinist at a lower skill level. In this case the lower wage rate would be $19 per hour and the production rate would be three minutes per housing. Which alternative would you recommend if 3,000 housings are to be produced? The total production cost using a jig with a less skilled machinist is S (Round to the nearest dollar)