Assume the total cost of a college education will be $200,000 when y college in 16 years. You presently have $55,000 to invest. What annual must you earn on your investment to cover the cost of your child's coll (Do not round intermediate calculations and enter your answer as a pe to 2 decimal places, e.g., 32.16.) cost of a college education will be $200,000 when your child enters s. You presently have $55,000 to invest. What annual rate of interest your investment to cover the cost of your child's college education? ermediate calculations and enter your answer as a percent rounded s, e.g., 32.16.)