Espaol The Wongs bought a $375,000 townhome. They made a down payment of $46,000 and took out a mortgage for the rest. Over the course of 30 years they made monthly payments of $1972.53 on their mortgage until it was paid off. (a) What was the total amount they ended up paying for the townhome (including the down payment and monthly payments)? ? (b) How much interest did they pay on the mortgage? $