ABC Investors began investing in 2019. At December 31, 2019, its investment portfolio was account: Investments - Trading Securities Cost Fair Value Unrealized Gain (Loss) Hilton Common Stock $40,000 $(8,000) Marriott Common Stock $30,000 $2,000 $32,000 $32,000 $18,000 $82,000 Doubletree Common Stock $20,000 $(2,000) Total portfolio $90,000 $(8000) The Marriott Common Stock was sold for $34,800 on May 3, 2020. The fair values of the securities remaining in the Investments - Trading Securities account at December 31, 2020 were: Hilton $41,500 Doubletree $22,000 3. Show the complete history of the Securities Fair Value Adj. Account in good form. (25 Points)