Sharpe Machining Company purchased industrial tools costing $180,000, which fall in the 3 -year property class under MACRS. Use Appendix A and for your reference. (Use appropriate factor(s) from the tables provided.) Required: 1. Prepare a schedule of depreciation deductions assuming: a. The firm uses the accelerated depreciation schedule specified by MACRS. b. The firm uses the optional straight-line depreciation method and the half-year convention. 2. Calculate the present value of the depreciation tax shield under each depreciation method listed in requirement 1 . Sharpe Machining Company's after-tax hurdle rate is 6 percent, and the firm's tax rate is 30 percent. Complete this question by entering your answers in the tabs below. The firm uses the optional straight-line depreciation method and the half-year convention. (Round intermediate calculations and final answers to the nearest dollar amount.)