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$4$ McPherson Company must purchase a new milling machine. The purchase price is $$50,000,$ including installation. The machine has a tax life of $5$ years, and it can be depreciated according to the following rates. The firm expects to operate the machine for $4$ years and then to sell it for $$12,500.$ If the marginal tax rate is $25\%,$ what will the after$-$tax salvage value be when the machine is sold at the end of Year $4?$