You want to buy a car in 7 years for $39,000. You want to make deposits of $7,500 at the end of each year for the first 3 years, then move the money to a different account that earns 10% to grow for the following 4 years. What interest rate do you need in the first 3 years to reach your goal? 10.6% 15.4% 14.7% 17.4%