You are saving for the college education of your two children. They are two years apart in age; one will begin college 16 years from today and the other will begin 18 years from today. You estimate your childrens college expenses to be $42,000 per year per child, payable at the beginning of each school year. The annual interest rate is 7.2 percent. Your deposits begin one year from today. You will make your last deposit when your oldest child enters college. Assume your children will be on the four-year plan.

A. How much money must you deposit in an account each year to fund your childrens education?

B. What if your deposits begin immediately instead of one year from today?