A homeowner could take out a 15-year mortgage at a 6.9 percent annual rate on a $400,000 mortgage amount, or she could finance the purchase with a 30-year mortgage at a 7.5 percent annual rate. Both mortgages require monthly payments. How much in total could she save over the entire mortgage period by financing her home with the 15-year mortgage in todays dollars (to the nearest dollar)? Calculate the total payment amount in each of the mortgages and compare them