Which of the following is a major difference when accounting for long-term debt investments versus short-term debt investments? A) Interest revenue is not recognized for long-term investments. B) For short-term investments, bond premium or discount is not amortized to interest revenue. C) At the end of the year, any unrealized gain or loss on long-term debt investments must be recognized in the stockholders' equity section of the balance sheet. D) When selling long-term investments, no gain or loss is recognized