On January 1, a $944,000, 10%, 5-year bond was issued for $915,680. Interest is paid semiannually on January and July 1.1 the wing corporation uses the rige line method to amortize the discount on bonds payable, the semiannual amortization amount is Oa. 35,664 Ob. 547,200 Oc. $28,320 d. 52,832