A floating rate mortgage loan is made for $180,000 for a 30 -year period at an initial rate of 12 percent interest. However, the borrower and lender have negotiated a monthly payment of $1,440. Required: a. What will be the loan balance at the end of year 1 ? b. If the interest rate increases to 13 percent at the end of year 2 , how much is the payment plus negative amortization in year 2 and year 5 if the payment remains at $1,440 ? Answer is not complete. Complete this question by entering your answers in the tabs below. What will be the loan balance at the end of year 1 ? Note: Do not round intermediate calculations. Round your final answer to 2 decimal places. Answer is not complete. Complete this question by entering your answers in the tabs below. If the interest rate increases to 13 percent at the end of year 2 , how much is the payment plus negative amortization in year 2 and year 5 if the payment remains at $1,440 ? Note: Do not round intermediate calculations. Round your final answers to 2 decimal places