Discount Office Systems uses a perpetual inventory system. The adjusted trial balance of Discount Office Systems at March 31, 2018, follows: (Click the icon to view the adjusted trial balance.) Prepare Discount's multi-step income statement for the year ended March 31, 2018. (Use a minus sign or parentheses to show other expenses.) Discount Office Systems Income Statement Year Ended March 31, 2018 Net Income (Loss)