you have just signed a contract to purchase your dream house the price is 240,000 and you have a plied for a 168,000 25 year 4.25% loan annual rate payments our monthly annual property taxes are expected to be 1800 hazard insurance will cost 700 per year your car payment is 500 with 48 months left your monthly gross income is 4500 calculate the total obligations (back end) ratio.