We are considering the effects of starting early or late to save for retirement. Assume that each account considered has an APR of 6% compounded monthly. Following expert advice, you begin your retirement program as soon as you graduate from college at age 31. You plan to retire at the age of 65. What monthly contributions do you need to make to have a retirement account worth $850,000?

What will your total personal contribution be by the time you retire if you start saving after graduation?

Against expert advice, you begin your retirement program at age 50. You plan to retire at the age of 65. What monthly contributions do you need to make to have a retirement account worth $850,000?

What will your total personal contribution be by the time you retire if you start saving at age 50?

How much more will you personally contribute by the time you retire if you start saving at age 50 instead of starting right after graduation?