Please answer 1b and 2. Thank you!

Trenton Fabrication Company purchased industrial tools costing $70,000, which fall in the 3-year property class under MACRS. Use Appendix A and Exhibit 16-9 for your reference. (Use appropriate factor(s) from the tables provided.). (Round your final answers to the nearest dollar amount.) Required: 1. Prepare a schedule of depreciation deductions assuming: a. The firm uses the accelerated depreciation schedule specified by MACRS Accelerated Year Depreciation 1 23,331 31,115 10,367 5,187 b. The firm uses the optional straight-line depreciation method and the half-year convention. Year Straight Line Depreciation 2. Calculate the present value of the depreciation tax shield under each depreciation method listed in part (1). Trenton Fabrication Company's after-tax hurdle rate is 10 percent, and the firm's tax rate is 30 percent. Present Value of Depreciation Tax Shield Under MACRS Accelerated depreciation Under MACRS straight-line depreciation