Pierce Company issued 11% bonds, dated January 1, with a face amount of $800,000 on January 1, 2009. The bonds sold for $739,816 and mature in 2028 (20 years). For bonds of similar risk and maturity the market yield was 12%. Interest is paid semiannually on June 30 and December 31. Pierce determines interest at the effective rate and elected the option to report these bonds at their fair value. On December 31, 2009, the fair value of the bonds was $730,000. Pierce's earnings for the year will include? I know the answer is gain of $10,617, but please detail how you arrive at answer.