Bond premium; straight-line amortization (L.O. 2, 5) Castillo Company issued $200,000 of 10%, 4-year bonds on January 1, 19X1, for $216,000. The bonds pay interest semiannually on June 30 and December 31. a Prepare the required journal entry to record the bond issuance on Janu- ary 1, 1981. b Prepare entries to record the interest payment and premium amortiza- tion on lune 30 and December 31, 1981. Castillo uses the straight-line method of amortization. Oc c Compute 19X1 bond interest expense. d. Present the proper disclosure of the bond issue on Castillo's December 31, 1981, balance sheet