Blow is data from Trial balance of Alice company for year ended December 31, 2018: Sales revenue = $300,000 Cost of goods sold = $180,000 Selling expense = $90,000 Interest income = $80,000 Other expense = $20,000 Gain on derivatives = $50,000 Gain on investment securities = 23,000 investment securities are unrealized and classified as other comprehensive income, and all other comprehensive income should be calculated net of tax, and income tax of all item is 20%. 1. Please calculate the operating income 2. Please calculate the Gain on investment securities 3. Please calculate the comprehensive income