b. Consider this additional information: The machines differ in terms of hourly operating costs: The A machines have an hourly operating cost of $12 each, B machines have an hourly operating cost of $15 each, and C machines have an hourly operating cost of $13 each. What would be the total cost associated with each machine option, including both the initial purchasing cost and the annual operating cost incurred to satisfy demand?(Use rounded machine quantities from Part a. Do not round any other intermediate calculations. Round your final answers to the nearest whole number.) A B C Buy Total cost for each machine