Problem $12-7$ Spreadsheet Problem: Depreciation Tax Shield $($LG$12-4)$

Your firm needs a computerized machine tool lathe which costs $$42,000$ and requires $$11,200$ in maintenance for each year of its $3$ year life. After three years, this machine will be replaced. The machine falls into the MACRS $3-$year class life category, and neither bonus depreciation nor Section $179$ expensing can be used. Assume a tax rate of $21$ percent and a discount rate of $12$ percent.

Calculate the depreciation tax shield for this project in year $3.$

Note: Round your answer to $2$ decimal places.