Afamily purchased a new ski boat for $18,500. the loan agency required a down payment and financed the balance for 36 months with an apr of determine the total finance charge and monthly payment for the loan. total finance charge = $1497.02; monthly payment = $478.39 total finance charge = $2989.60; monthly payment = $596.93 total finance charge = $3418.62; monthly payment = $531.77 total finance charge = $1625.97; monthly payment = $481.97