Tesla management are trying to decide whether to keep an older plece of machinery or buy a replacement. Management was presented with the following information to assist in their decision: A machine purchased three years ago for $315,000 has a current book value using straight -line depreciation of $184,000; its operating expenses are $33,000 per year. A replacement machirve would cost $238,000, have a useful life of eleven years, and would require $12.000 per year in operating expenses, it has an expected salvage value of $78.000 after eleven years. The current disposal value of the old machine is $90,000; if it is kept eleven more years, its residual value would be $19,000. Required Calculate the fotal costs in keeping the old machine and purchase a new machine. Should the old machine be replaced