John just purcahsed a rental house with a 10-year, $50,000 mortgage. The mortgage interest rate is 9%/yr/mo.
If John sells the house after six years, how much must he give the bank to completely pay off the mortgage at the time of the 72nd payment?
The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.