You bought a condo 2 years ago. To finance the purchase, you took out a mortgage for $575,000. The interest rate on the mortgage is 8.5% and the amortization period is 20 years. You chose to make 26 payments per year and each payment is $2,274.23. Your last payment was yesterday. How much principal remains owing today? The principal that remains owing today is \$ (Round to the nearest cent as needed.)