At the beginning of the year, a company following U.S. GAAP purchased marketable debt securities for $12.4 million. At the end of the year, the market value declined to $11.9 million. Which of the following statements is most accurate?

A) If the securities are classified as held-to-maturity, other comprehensive income would decrease by $0.5 million.

B) If the securities are classified as trading securities, other comprehensive income would decrease by $0.5 million.

C) If the securities are classified as available-for-sale, other comprehensive income would decrease by $0.5 million.