Solve the following problems using Excel formula. Also, please show the mathematical formulas you would use to solve questions

One of your customers is delinquent on his accounts payable balance. Youve mutually agreed to a repayment schedule of $600 per month. You will charge 0.9 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?

	Monthly payment	600
	Discount rate	0.9%
	Current balance	$ 18,400
	Output area:
	# of months until paid off