I need help. Please show me how to do an excel and show your steps.

a. Someone in the 36 percent tax bracket can eam 8 percent annually on her investments in e tax-exempt IRA account. What will be the value of a onetime $14,000 investment in 5 years? 10 years? 20 years? You may use Appendix C to answer the questions. Do not round intermediate calculatiens. Round your answers to the nearest dollar. in 5 years: 5 in 10 vears: 5 in 20 yearsis b. Suppose the preceding 8 percent return is taxable rather than tax-deferred and the taxes are paid annually. What will be the after-tax value of her $14,000 imvestment after 5,10 , and 20 years? Do ribt rolund intermediate colculations. Round your answers to the nearest dollar: in 5 vears: 5 in 10 years: $ in 20 yeors: $