Tina is buying a house, she has an annual income of $$300,000.$ Taxes on the homes she wants are approximately $$6,000$ and homeowner's insurance will be roughly $$3,600.$ In adition, she currenty has a monthly car payment of $$400$ and a student loan payment of $$200.$What is the maximum mortgage payment she can afford using a $28\%$ front$-$end ratio?

How much can she borrow with a $30-$year $7\mathrm{.}00\%$ mortgage?