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MUST use rate of return analysis!

Ashley Foods, Inc. has determined that any one of five machines can be used in one phase of its chili-canning operation. The costs of the machines are estimated, and all machines are expected to have a 4-year useful life. If the minimum rate of return is 6% per year, which machine should be selected on the basis of a rate of return analysis? The do nothing alternative is not an option. Note: you must use a rate of return analysis to get any credit on this problem. Machine First Cost, $ Annual operating cost, $/year 1 -31,000 - 16,000 -29,000 -19,300 N 3 -34,500 -17,000 4 -49,000 - 12,200 5 -41,000 - 15,500