A Roth IRA enables an individual to invest after-tax dollars during the accumulation phase of a retirement plan. The money is then income tax free when it is withdrawn during retirement. A tax-deductible IRA, on the other hand, provides an up-front tax deduction for the annual contribution, but it then requires income taxes to be paid on all future distributions. A basic assumption as to which plan is more beneficial concerns the current value income tax rates versus their projected rates in the future. Suppose that you plan to invest $4,000 at the end of each year for 30 years. Your current income tax rate now is 28%, so $4,000*(1-0.28) = $2,880 can be invested this year into the Roth IRA. However, the full $4,000 per year can be invested into a tax-deductible IRA. Money invested under either plan will be deposited into a mutual fund earning 8% per year. (A) Develop a spreadsheet to determine which IRA will be the better investment. (B) Assuming you will turn 65 in 30 years, examine your projected income and tax rate and develop an investment and retirement withdrawal strategy.