I need help with marginal tax rate:

A company purchases an asset that costs $42,000. This asset qualies as three-year propertyI under MACRS. The company uses an after-ta): discount rate M1196 and faces a 4096 income tax rate. [Use Table '1. Table 2 and Exhibit 12.4.] 1. Demonstrate that the FM of the depreciation deductions. when the income tax rate is 40%, is $13,?48. 2. Given an after-tax discount rate of 11%. what tax rate would be needed in order for the PV of the depreciation deductions to equal $15,300? Use the Goal Seek function of Excel. 9 Answer Is not l\"simulate. Complete thls queson by entering your answers In the tabs below. Given an aerhtnx discount rate of 11%, what tax rate would be needed In order for the W of the deprecletion deductions to equal $16,801\" Use the Goal Seek function of Excel. (Round your answer to 2 decimal places.) _- f. Required 1