5. A manager must decide which type of machine to buy A,B, or C. Product forecasts and processing times on the machine are as follows: PROCESSING TIME PER UNIT (MIN) 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. Which alternative would be selected, and how many machines, in order to minimize total cost while satisfying capacity processing requirements