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Unformatted text preview: When you deposit money into a bank, the bank uses your money to give loans to other customers. In return for the use of your money, the bank pays you interest. Similarly, when you purchase something with a credit card, you pay the credit card company interest for using the money that paid for your purchase. In general, interest is money that a borrower pays a lender for the right to use the money. The interest rate is the percent of the total due that is paid by the borrower to the lender. The calculation of compound interest is rather simple. To calculate the value of a loan, add one to the interest rate, raise it to the number of years for the loan, and multiply it by the loan amount. For example if you borrow $10,000 at 8% per year, in one year you would owe $10,000 * (1.08 ^ 1) = $800 in interest. To calculate the amount of interest, would owe $10,000 * (1....
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- Fall '10