One of your customers is delinquent on his accounts payable balance. you’ve mutually agreed to a repayment schedule of $750 per month. you will charge 1.9 percent per month interest on the overdue balance. if the current balance is $18,000, how long will it take for the account to be paid off? (do not round intermediate calculations and round your answer to 2 decimal places, e. g., 32.16.) months for account to be paid off months