4-89. It is likely that your college tuition will increase an average of 8% per year for the next 4 years. The annual cost of tuition at the beginning of your freshman year in college will be $12,000 (A1). How much money will you and your parents have to deposit in a mutual fund account one year prior to your freshman year to pay for your tuition for the 4 years you will spend earning your degree in engineering? The mutual fund will earn an average of 5% annual interest. (4.12)