How much money does Mary need to have in her Roth IRA account today if she wishes to withdraw $25,000 a year for 30 years? She expects to earn an average rate of return of 13 percent.

How much money does Mary need to have in her Rotb IRA account today if she wishes to withdraw $25,000 a year for 30 years? She expects to earn an average rate of return of 13 percent