On January 1, 2020, Lenore Corp. purchased $600,000 of 6% bonds for $544,500, which they are classifying as trading securities. Interest is payable annually on December 31. The bonds mature on December 31, 2023. Premium or discount amortization is recorded when interest is received by the straight-line method. The market value of the bonds at December 31, 2020 is 565,000. Required: a. Prepare the entry to record the acquisition on January 1, 2020. b. Prepare the entry to record the December 31, 2020 interest payment. c. Prepare the entry to adjust the investment to fair value at December 31, 2020, d. The bonds are sold on January 1, 2021 for $580,000. Prepare any entries necessary to record the sale