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One of your customers is delinquent on his accounts payable balance. You've mutually agreed to a repayment schedule of $640 per month. You will charge 1.04 percent per month interest on the overdue balance. If the current balance is $14, 860, how long will it take for the account to be paid off? (Do not use rounded numbers in intermediate calculations. Round your answer to 2 decimal places (e.g., 32.16).) Number of months