On January 1, $889,000, 5-year, 10% bonds, were issued for $862,330. Interest is paid semiannually on January 1 and July 1. If the issuing corporation uses the straight-line method to amortize discount on bonds payable, the semiannual amortization amount is
a.$26,670
b.$5,334
c.$44,450
d.$2,667