Two machines with the following cost estimates are under consideration for a dishwasher assembly process. Using an interest rate of 10% per year, determine which alternative should be selected on the basis of an annual worth analysis. Machine X Machine Y First cost, $ -300,000 -430,000 Annual operating cost, $/year -60,000 -40,000 Salvage value, $ 70,000 95,000 Life, years 4 6