The Croziers have a three-year-old son named Ryan, and they want to provide for Ryan’s col¬ lege education. They estimate that it will cost $40,000 per year for four years when Ryan enters college fifteen years from now. Assume that all investments can earn a 10 percent annual inter¬ est rate, and that the four annual payments will be made at the beginning of each year. REQUIRED:

a. How much would the Croziers have to invest today to meet Ryan’s college expenses?

b. How much would the Croziers have to invest at the end of each year for fourteen years to meet Ryan’s college expenses?

c. Answer questions

(a) and

(b) above, assuming an 8 percent annual interest rate.