Nana Company bought the securities listed below during 2021. These securities were classified as trading securities. In its December 31, 2021 Income statement, Nana Company reported a net unrealized holding loss of $20,500 on these securities. Pertinent data at the end of June 2022 is as follows: Security Cost Fair Value A $373,000 B C 193,500 430,000 $333,500 166,000 412,600 What amount of unrealized holding loss on these securities should Nana Company Include In Its Income statement for the six months ended June 30, 2022?