Prodect forecass and procesving times on the machines 1 ire as follows: a. Assume that only purchasing costs are being considered. Which machine would bave the lowest total cost, and how many of that machine would be needed? Machines operate 10 hours a diay, 250 days a year. bo Consider this additional information: The machines differ in terms of bourly operating cosis: The A machines have an hourly operating cost of $10 each, B machines have at houtly operating cost of $11 each, and C machines have an houily operating cost of $12 eash. Which altemative would be selected, and how many machines, in orter to minumize twal cost whale satisfying capacity processing requirements