The Gehr Company is considering the purchase of a new machine to replace an obsolete one. The machine being used for the operation has both a book value and a market value of zero; it is in good working order, however, and will last physically for at least another 10 years. The proposed replacement machine will perform the operation so much more efficiently than Gehr engineers estimate it will produce after-tax cash flows (labor savings and depreciation) of $9,000 per year. The new machine will cost $40,000 delivered and installed, and its economic life is estimated to be 10 years. It has zero

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