4. At age 35 you start saving for retirement. Your investmentplan pays 6% APR compounded monthly and you want to have $2,000,000when you retire at age 65.
       a) How much do you needto save each month?
       b) Suppose you hadstarted saving when you were 30 years old. How much would you needto save each month?
       c) Suppose you hadstarted saving when you were 25 years old. How much would you needto save each month?
       d) Were you surprised bythe answers in parts a - c? Discuss the effect of time on thegrowth of money.
