Since they filed bankruptcy in the past, a couple ends up paying a 12% fixed rate for a 30 year mortgage. With a better credit rating, they could have gotten the loan at a rate of 8%. If their loan amount is $140,000, how much more per month will the couple be paying for their mortgage as a result of their bankruptcy?a.$137,532.67b.$412.79c.$1,440.06d.$260.37