In January 2020, the management of Sheridan Company concludes that it has sufficient cash to permit some short-term investments in debt and stock securities. During the year, the following transactions occurred. Feb. 1 Purchased 500 shares of Muninger common stock for $27,500. Mar. 1 Purchased 700 shares of Tatman common stock for $17,500. Apr. 1 Purchased 40 $1,050, 6% Yoakem bonds for $42,000. Interest is payable semiannually on April 1 and October 1. July 1 Received a cash dividend of $0.50 per share on the Muninger common stock. Aug. 1 Sold 167 shares of Muninger common stock at $65 per share. Sept. 1 Received a $1 per share cash dividend on the Tatman common stock. Oct. 1 Received the semiannual interest on the Yoakem bonds. Oct. 1 Sold the Yoakem bonds for $41,000. At December 31, the fair value of the Muninger common stock was $56 per share. The fair value of the Tatman common stock was $24 per share. At December 31, the fair value of the Muninger common stock was $56 per share. The fair value of the Tatman common stock was $24 per share. Prepare the adjusting entry at December 31, 2020, to report the investment securities at fair value. All securities are considered to be trading securities. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No entry" for the account titles and enter 0 for the amounts.)