i need help with part b. my loan balance in year 2 is correct however my other 2 answers are wrong

A floating rate mortgage loan is made for $150,000 for a 30-year period at an initial rate of 12 percent interest. However, the borrower and lender have negotiated a monthly payment of $1,200. 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 interest will be accrued as negative amortization in year 2 and year 5 if the payment remains at $1,200? Camnlete this mestinn hy entering our answers in the tabs below. Complete this question by entering your answers in the tabs below. Required A Required B What will be the loan balance at the end of year 1? (Do not round intermediate calculations decimal places.) Loan balance $ 153,804.75 If the interest rate increases to 13 percent at the end of year 2, how much interest will be accrued year 2 and year 5 if the payment remains at $1,200? (Do not round intermediate calculations. Rou decimal places.) $ 159,745.05 Loan balance in year 2 Interest accrued - Year 1 Interest accrued - Year 5 $ (9,745.05)