Carlsville Company, which began operations in 2015, invests its idle cash in trading securities. The following transactions are from its short-term investments in its trading securities. 2015 Jan. 20 Purchased 800 shares of Ford Motor Co. at $26 per share plus a $125 commission. Feb. 9 Purchased 2,200 shares of Lucent at $44.25 per share plus a $578 commission. Oct. 12 Purchased 750 shares of Z-Seven at $7.50 per share plus a $200 commission.

Dec. 31 Fair value of the short term investments in trading securities is $130,000 2016 Apr. 15 Sold 800 shares of Ford Motor Co. at $29 per share less a $285 commission. July 5 Sold 750 shares of Z-Seven at $10.25 per share less a $102.50 commission. July 22 Purchased 1,600 shares of Hunt Corp. at $30 per share plus a $444 commission. Aug. 19 Purchased 1,800 shares of Donna Karan at $18.25 per share plus a $290 commission.

Dec 31 Fair value of the short term investments in trading securities is $160,000 2017 Feb. 27 Purchased 3,400 shares of HCA at $34 per share plus a $420 commission. Mar. 3 Sold 1,600 shares of Hunt at $25 per share less a $250 commission. June 21 Sold 2,200 shares of Lucent at $42 per share less a $420 commission. June 30 Purchased 1,200 shares of Black & Decker at $47.50 per share plus a $595 commission. Nov. 1 Sold 1,800 shares of donna karan at $18.25 per share less a $309 Commission

Dec 31 Fair value of the short term investments in trading secuirites is $180,000

Required

Prepare journal entries to record these short term investment activities for the years shown. On december 31 of each year, prepare the adjusting entry to record any necessary fair value adjustment for the portfolio of trading securities