eBook mour parents will retire in 23 years. They currently have $330,000 saved, and they think they will need $1,150,000 at retirement. What annual interest rate must they earn to reach their goal, assuming they don't save any additional funds? Round your answer to two decimal places. % O eBook If you deposit money today in an account that pays 10.5% annual interest, how long will it take to double your money? Round your answer to two decimal places. o years eBook You have $58,334.48 in a brokerage account, and you plan to deposit an additional $5,000 at the end of every future year until your account totals $290,000. You expect to earn 10% annually on the account. How many years will it take to reach your goal? Round your answer to the nearest whole number years