The adjusted trial balance for the year of Nicholl Corporation at December 31, 2018, follows. (Click the icon to view the adjusted trial balance.) Read the requirements. Requirement 1. Prepare Nicholl Corporation's 2018 single-step income statement, statement of retained earnings, and balance sheet. Begin by preparing Nicholl's 2018 income statement. Nicholl Corporation Income Statement Year Ended December 31, 2018 Income before tax