The Turners have purchased a house for $$150,000.$ They made an initial down payment of $$40,000$ and secured a mortgage with interest charged at the rate of $3\mathrm{.}5\%/$year on the unpaid balance. $($Interest computations are made at the end of each month.$)$ Assume that the loan is amortized over $30$ years. $($Round your answers to the nearest cent.$)$