1) Your parents will retire in 17 years. They currently have $320,000 saved, and they think they will need $1,300,000 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. %

2)

You have $48,149.10 in a brokerage account, and you plan to deposit an additional $4,000 at the end of every future year until your account totals $230,000. You expect to earn 11% annually on the account. How many years will it take to reach your goal? Round your answer to the nearest whole number.