You will charge .9 percent per month interest on the overdue balance. If the current balance is…

Calculating Number of Periods – One of your customers is delinquent on his accounts payable balance. You"ve mutually agreed to a repayment schedule of $600 per month. You will charge .9 percent per month interest on the overdue balance. If the current balance is $18,400, how long will it take for the account to be paid off?