(Nonannual compounding using a calculator Dennis Rodman has a $4,500 debt balance on his Visa card that charges an APR of 12.4 percent compounded monthly Dennis's current minimum monthly payment is 5 percent of his debt balance, $225. How many months (round up) will it take Dennis to pay off his credit card if he pays the current miminum payment of $225 at the end of each month? How many months will it take Dennis to pay off his credit card? months (Round up to the nearest unit.) 0 (Solving for r in compound interest) You lend a friend $5,000, for which your friend will repay you $11,000 at the end of 10 years. What interest rate are you charging your friend? The interest rate you are charging your friend is [% (Round to two decimal places.)