Belle Corporation retires its bonds at 105 on January 1, following the payment of annual interest. The face value of the bonds is $600,000. The carrying value of the bonds at the redemption date is $621,500. The entry to record the redemption will include a a) credit of $8,500 to Gain on Bond Redemption. b) debit of $30,000 to Premium on Bonds Payable. c) debit of $21,500 to Premium on Bonds Payable. d) credit of $21,500 to Loss on Bond Redemption.