The difference between a Roth IRA and a traditional IRA is that in a Roth IRA taxes are paid on the Income that is contributed, but the withdrawals at retirement are tax-free. In a traditional IRA, however, the contributions reduce your taxable income, but the withdrawals at retirement are taxable. Assume you plan to devote $5,000 to retirement savings in each year. You will retire in 30 years and expect to live for an addlitional 20 years after retirement. a. Assume the before-tax Interest rate is 5%. What will be your after-tax 20 -year retirement consumption stream if you choose to save In a traditional IRA? Assume your tax rate is fixed at 30%. (Round your answers to 2 decimal place.) b. What will be your 20 -year retirement consumption stream If you choose to save in a Roth IRA? (Round your answers to 2 decimal place.) c. Which provides better expected results if you expect your tax rate to decrease from 30% today to 25% at retirement? Traditional IRA Roth IRA