(Trading Securities Entries) On December 21, 2010, Zurich Company provided you with the following information regarding its trading securities. December 31, 2010 Investments(Trading) Cost Fair Value Unrealized Gain (Loss) Stargate Corp. stock $20,000 $19,000 $(1,000) Carolina Co. stock 10,000 9,000 (1,000) Vectorman Co. stock 20,000 20,600 600 Total Portfolio $50,000 $48,600 (1,400) Previous securities fair value adjustment balance -0- Securities fair value adjustmentCr. $(1,400) During 2011, Carolina Company stock was sold for $9,500. The fair value of the stock on December 31, 2011, was: Stargate Corp. stock-$19,300; Vectorman Co. stock-$20,500. (a) Prepare the adjusting journal entry needed on December 31, 2010