ANSWER ASAP Please: you take a 15-year mortgage for a house that costs $273,597.The annual interest rate on the mortgage is 3.9%.The bank requires a minimum down payment of 15% of the cost of the house.The annual property tax is 1.2% of the cost of the house.The annual homeowner's insurance is $608.The monthly PMI is $59. If you make the minimum down payment, what is the minimum gross monthly salary you must earn in order to satisfy the 28% rule?