4. 125 A machine purchased three years ago for $304,000 has a current book value using straight-line depreciation of $183,000; its operating expenses are $33,000 per year. A replacement machine would cost $222,000, have a useful life of nine years, and would require $12,000 per year in operating expenses. It has an expected salvage value of $58,000 after nine years. The current disposal value of the old machine is $70,000; if it is kept 9 more years, its residual value would be $16,000. Required Calculate the total costs in keeping the old machine and purchase a new machine. Should the old machine be replaced? points Book Hint Purchase New Machine Print Keep Old Machine Total costs Should the old machine be replaced? References