The Wards bought a $319,000 condominium. They made a down payment of $41,000) and took out a mortgage for the rest. Over the course of 15 years they made monthly payments of S2345.93 on their mortgage until it was paid off. (a) What was the total amount they ended up paying for the condominium (including the down payment and monthly payments)? 5 ? (b) How much Interest did they pay on the mortgage? si