(Nonannual compounding using a calculator) Dennis Rodman has a $5,500 debt balance on his Visa card that charges an APR of 16.4 percent compounded monthly. Dennis's current minimum monthly payment is 4 percent of his debt balance, $220. How many months (round up) will it take Dennis to pay off his credit card if he pays the current miminum payment of $220 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.)