4: On its December 31, 2018, statement of financial position, TTT Co. reported its investment in non-trading securities, which had cost 1200,000, at the fair value of C1100,000. At December 31, 2019, the fair value of the securities was C1170,000. What should TTT report on its 2019 income statement as a result of the increase in the fair value of the investments in 2019? (unrealized/realized gain/loss)