solve showing all work steps. thanks!

Assume the total cost of a college education will be $360,000 when your child enters college in 15 years. You presently have $58,000 to invest. What annual rate of interest must you earn on your investment to cover the cost of your child's college education? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16 . Answer is complete and correct