A corporation issued $600,000 of 8%, 5-year bonds on January 1, at 102. Interest is paid semiannually on January 1 and July 1. If the corporation uses the straight-line method of amortization, the amount of bond interest expense to be recognized on July 1 is
a. $48,000.
b. $24,000.
c. $25,200.
d. $22,800.