For a manufacturing process, the machining time per piece is 0,164 hours, and the machine loading time is 0.038 hours. With an operator rate of $12.80 per hour and a machine cost of $14.00 per hour, calculate the optimum number of machines and the cost per unit of output. For a manufacturing process, the machining time per piece is 0,164 hours, and the machine loading time is 0.038 hours. With an operator rate of $12.80 per hour and a machine cost of $14.00 per hour, calculate the optimum number of machines and the cost per unit of output