Denali has a loan of $7865 to repay, with an interest rate of 7% compounded semiannually. Denali planned to make $159 payments at the end of each month to repay his loan, but is considering only $116 per month. How many additional months will it take to repay the loan if he pays $116 per month instead of $159 ? (Hint: Round each term in months up to a whole number before finding the difference.) N1= N2= The number of additional months to repay the loan is