Required information Use the following information for the Quick Study below. [The following information applies to the questions displayed below.] Kitty Company began operations in the current year and acquired short-term debt investments in trading securities. The year-end cost and fair values for its portfolio of these debt investments follow. Portfolio of Trading Securities Cost Fair Value Tesla Bonds $13, 200 $ 9, 900 Nike Bonds 21, 600 22 , 680 Ford Bonds 5 , 400 4, 320 ces QS C-4 Fair value adjustment to a portfolio of trading securities LO P1 Prepare journal entry to record the December 31 year-end fair value adjustment for the debt securities. View transaction list Journal entry worksheet Record the year-end adjustment to fair value, if any