rental costs annual rent $ 8,120 insurance 220 security deposit 1,360 buying costs annual mortgage payments $ 9,800 ($ 9,611 is interest) property taxes 2,500 insurance, maintenance 1,780 down payment, closing costs 4,500 growth in equity 189 estimated annual appreciation 2,000 assume an after-tax savings interest rate of 4 percent and a tax rate of 28 percent. calculate the total rental cost and total buying cost.