CNBC$.$com reported mortgage applications increased $9\mathrm{.}9\%$ due to a decrease in the rate on $30-$year fixed$-$rate mortgages. Joe Sisneros wants to purchase a vacation home for $$290,000$ with $20\%$ down. Calculate his monthly payment for a $25-$year mortgage at $6\mathrm{.}5\%.$ Calculate total interest. $($Use Table $15\mathrm{.}1.)$