A machine purchased three years ago for $312,000 has a current book value using straight-line depreciation of $191,000; its operating expenses are $37,000 per year. A replacement machine would cost $236,000, have a useful life of ten years, and would require $12,000 per year in operating expenses. It has an expected salvage value of $74,000 after ten years. The current disposal value of the old machine is $86,000; If it is kept 10 more years, its residual value would be $10,000. Required Calculate the total costs in keeping the old machine and purchasing a new machine. Should the old machine be replaced? Keep Old Machine Purchase New Machine Total costs Should the old machine be replaced