On January 1, 2014, Tonika Corporation issued a four-year, $10,000, 7% bond. The interest is payable annually each December 31. The issue price was $9,668 based on an 8% effective interest rate. Assuming effective-interest amortization is used, the 2015 interest expense is closest to:

a) $779

b) $796

c) $773

d) $700

e) none of the above