6 Assume the total cost of a college education will be $300,000 when your child enters college In 18 years. You presently have $74,000 to invest 10 points What annual rate of interest must you earn on your investment to cover the cost of your child's college education? (Do not round Intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Annual rate of interest eBook Hint 20 3 4