Franklin Corporation issues $99,000, 10%, five-year bonds on January 1 for $103,500. Interest is paid semiannually on January 1 and July 1. If Franklin uses the straight-line method of amortization of bond premium, the amount of bond interest expense to be recognized on July 1 is Oa. $7.920 Ob. $3,960 Oc. $4,500 Od, $4.410