You are saving for the college education of your two children. They are two years apart in age; one will begin college 13 years from today and the other will begin 15 years from today. You estimate your children’s college expenses to be $42,000 per year per child, payable at the beginning of each school year. The annual interest rate is 6.7 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. how much must you save at the end of each year in equal amounts to reach your goal?