Mary Lynn Sirianni believes that she will need $750,000 in an IRA investment to live a comfortable life when she retires in 30 years. She is offered an IRA investment that will require her to invest $3,000 a year for the next 30 years, starting at the end of this year. The investment will earn 13 percent annually. How much will she have at the end of 30 years? Should she make this investment? Show all calculations to help her make a decision.
Gretchen Williams won a lottery. She will have a choice of receiving either $25,000 at the end of each year for the next 30 years or take a lump sum payment today of $215,000. If she can earn a return of 10 percent on any investment she makes, which option should she take? Show all calculations to help her make a decision.