A company must decide which type of machine to buy, and how many units of that type, given the following information: Type Machine Cost $9.000 $ 11,000 Product Annual Demand Processing Time per minutes per unit Machine 1 Machin 2 1 10,000 12,000 14,000 6 8 5o 7 3 a) Evaluate the proposed machines based on the annual capacity cushion of each type to handle the given demand if the machines will operate 8 hours a day, 260 days a year. b) If purchasing and operating costs are considered, which type of machine would minimize total costs, given your answer for part a? Operating costs are $10/hr for type I and $8/hr for tyne IL