If you deposit money today in an account that pays 4.5% annual interest, how long will it take to double your money? Round your answer to two decimal places.

You have have $44,537,.65 in a brokerage account, and you plan to deposit an additional $3000 at the end of every future year until your account totals $270,000. You expect to earn 13% annually on the account. How may years will it take to reach your goal? Round your answer to two decimal places

An investment will pay $50 at the end of each of the next 3 years, $250 at the end of Year 4, $350 at the end of Year 5, and $600 at the end of Year 6. If other investments of equal risk earn 10% what is its present value, what is its future value? Round your answer to the nearest cent.