On September 1, 2012, Henrietta Co. issued a note payable to National Bank in the amount of $3,600,000, bearing interest at 12%, and payable in three equal annual principal payments of $1,200,000. On this date, the bank's prime rate was 11%. The first payment for interest and principal was made on September 1, 2013. At December 31, 2013, Henrietta should record accrued interest payable of:
a. $144,000.
b. $132,000.
c. $96,000.
d. $72,000.