Multiyear Future Value How much would be in your savings account in 10 years after depositing $2,500 today if the bank pays 2.5% percent per year? Rates over two years Determine the interest rate earned on a $3,400 deposit when $4,000 is paid back in 2 years. Interest-on-interest Consider a $3,000 deposit earning 1.5 percent interest per year for five years. What is the future value, and how much total interest is earned on the original deposit vs. how much is interest earned on interest? Solving for Rates What annual rate of return is earned on a $5,000 investment when it grows to $10, 000 in six years? Your grandfather invested $100 in stocks in 1928 for real. What rate of return his beneficiary earned, if the investment grew to $166,820.64 in 2011 (over the 84 year period)