The Fosters bought a $219,000 condominium. They made a down payment of $45,000 and took out a mortgage for the rest. Over the course of 15 years they made monthly payments of $1468.32 on their mortgage until it was paid off. (a) What was the total amount they ended up paying for the condominium X \\(D Q (including the down payment and monthly payments)? ' $[l] (b) How much interest did they pay on the mortgage? $D