On its December 31, 2018, statement of financial position, Trump Co. reported its investment in trading securities, which had cost 600,000, at fair value of 550,000. At December 31, 2019, the fair value of the securities was 575,000. What should Trump report on its 2019 income statement as a result of the increase in fair value of the investments in 2019? Select one: O a. Realized gain of 35,000. b. Unrealized gain of 25,000. O c. 0. d. Unrealized loss of 15,000.