The Phillips family has a joint gross monthly income of $11,300. The $499 lease payment for their car expires in four months. A student loan that has been deferred will kick in at the end of the year, and payments will be $210 monthly. Joe Phillips pays child support for his children with his first wife in the amount of $2,200 per month, but $600 of that will drop off in four months when his oldest son turns 18. They are buying a new home with a loan that carries a $2,700 a month payment. What is their housing ratio