Mills Corporation acquired as an investment $300 million of 7% bonds, dated July 1, on July 1, 2021. Company management is holding the bonds in its trading portfolio. The market interest rate (yield) was 5% for bonds of similar risk and maturity. Mills paid $340 million for the bonds. The company will receive interest semiannually on June 30 and December 31. As a result of changing market conditions, the fair value of the bonds at December 31, 2021, was $325 million. Prepare the journal entry to record Mills’ investment in the bonds on July 1, 2021 and interest on December 31, 2021, at the effective (market) rate.