A machine purchased three years ago for $305,000 has a current book value using straight-line depreciation of $183,000; Its operating expenses are $35,000 per year. A replacement machine would cost $228,000, have a useful life of nine years, and would require $10,000 per year in operating expenses. It has an expected salvage value of $64,000 after nine years. The current disposal value of the old machine is $74,000; If it is kept 9 more years, its residual value would be $15,000, Required Calculate the total costs in keeping the old machine and purchase a new machine. Should the old machine be replaced? Keep Old Machine Purchase Now Machine Total costs Should the old machine be replaced