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?.