Rantzow-Lear Company buys and sells debt securities expecting to earn profits on short-term differences in price, and holds these investments in its trading portfolio. The company's fiscal year ends on December 31. The following selected transactions relating to Rantzow-Lear's trading account occurred during December 2021 and the first week of 2022. 2021 Dec. 17 Purchased 195 Grocers' Supply Corporation bonds at par for $487,500. 2022 28 Received interest of $5,800 from the Grocers' Supply Corporation bonds. 31 Recorded any necessary adjusting entry relating to the Grocers' Supply Corporation bonds. The market price of the bond was $3,000 per bond. Jan. 5 Sold the Grocers' Supply Corporation bonds for $546,000.