One of your customers is delinquent on his accounts payable balance. You've mutually agreed to a repayment schedule of $500 per month. You will charge 1.5 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?

For Excel Please!

Monthly Payment- $500 (D6)

Discount Rate- 1.5% (D7)

Current Balance- $18,000 (D8)

Number of months until it is paid off?