On the first day of the fiscal year, Lisbon Co. issued $1,000,000 of 10-year, 7% bonds for $1,050,000, with interest payable semiannually. Orange Inc. purchased the bonds on the issue date for the issue price. The journal entry to record the amoritization of the bond premium (by straight-line method) for the year by Orange Inc. includes a credit to:

a. Interest Revenue for $5,000.

b. Investment in Lisbon Co. Bonds $2,500.

c. Investment in Lisbon Co. Bonds $5,000.

d. Interest Revenue for $2,500.