First City Bank pays 8 percent simple interest on its savings account balances, whereas Second City Bank pays 8 percent interest compounded annually.

If you made a $65,000 deposit in each bank, how much more money would you earn from your Second City Bank account at the end of 8 years? (Do not round intermediate calculations and round your final answer to 2 decimal places. (e.g., 32.16))

Difference in accounts ______

At 6.90 percent interest, how long does it take to double your money? (Round your answer to 2 decimal places. (e.g., 32.16))

Length of time _____ years

At 6.90 percent interest, how long does it take to quadruple it? (Round your answer to 2 decimal places. (e.g., 32.16))

Length of time _______ years