Assume we have a $500,000 mortgage at 3.5% original interest rate, with a 30- year term and monthly payments. The interest rate can be adjusted at the end of each year, and we assume the rate increases 0.15% after the first year and another 0.5% after the second year. What is the loan balance at the end of the second year? 481255 None of the given answers 0 455,812 O 418,256 480.709