Any one of five machines can be used in a certain phase of a canning operation. The costs of the machines are shown below and all are expected to have a 10-year life. If the company's minimum attractive rate of return is 16% per year, determine which machine should be selected on the basis of rate of return 1 2 3 First Cost 28,000 33,000 32,000 51,000 46,000 Annual Cost 20,000 18,000 19,000 13,000 14,000 5. The two highway projects shown below are to be compared using B/C method Which one, if either, should be build? Use interest rate of 12% per year. AlternativeI AlternativeII 5,000,000 7,000,000 First Cost Annual maintenance cost 70,000 60,000 175,000 450,000 Annual benefits Annual disbensfis 30000 35,000 Life