If you deposit $$4,000$ in a bank account that pays $8\%$ interest annually, how much will be in your account after $5$ years? Do not round intermediate calculations. Round your answer to the nearest cent.

$

What is the present value of a security that will pay $$22,000$ in $20$ years if securities of equal risk pay $4\%$ annually? Do not round intermediate calculations. Round your answer to the nearest cent.

$

Your parents will retire in $20$ years. They currently have $$300,000$ saved, and they think they will need $$1,700,000$ 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.

$\%$

You have $$47,189\mathrm{.}87$ in a brokerage account, and you plan to deposit an additional $$3,000$ at the end of every future year until your account totals $$290,000.$ You expect to earn $12\%$ annually on the account. How many years will it take to reach your goal? Round your answer to the nearest whole number.

years