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1. A manager must decide which type of machine to buy, A, B, or C. Machine costs are as follows: Product forecasts and processing times on the machines are as follows: a. Assume that only purchasing costs are being considered. Which machine would have the lowest total cost, and how many of that machine would be needed? Machines operate 10 hours a day, 250 days a year. b. Consider this additional information: The machines differ in terms of hourly operating costs: The A machines have an hourly operating cost of $10 each, B machines have an hourly operating cost of $11 each, and C machines have an hourly operating cost of $12 each. Page 218 Which alternative would be selected, and how many machines, in order to minimize total cost while satisfying capacity processing requirements