hi! please help me solve required a-b. Thank you!

Exercise A-16 (Algo) Present Value of Cash Flows Grove Media plans to acquire production equipment for $842,500 that will be depreciated for tax purposes as follows: year 1 , $328,500; year 2,$188,500; and in each of years 3 through 5,$108,500 per year. A 10 percent discount rate is appropriate for this asset, and the company's tax rate is 20 percent. Use Exhibit A.8 and Exhibit A.9. Required: a. Compute the present value of the tax shield resulting from depreciation. b. Compute the present value of the tax shield from depreciation assuming straight-line depreciation (\$168,500 per year). Complete this question by entering your answers in the tabs below. Compute the present value of the tax shield resulting from depreciation. Note: Round PV factor to 3 decimal places. Exhibit A.8 Present Value of $1 Present Value of an Annuity of $1 Complete this question by entering your answers in the tabs below. Compute the present value of the tax shield from depreciation assuming straight-line depreciation ( $168,500 per year). Note: Round PV factor to 3 decimal places