A comparative income statement is given below for McKenzie Sales, Ltd., of Toronto: McKenzie Sales, Ltd. Comparative Income Statement This Year Last Year Sales $ 7,360,000 $ 5,593,600 Cost of goods sold 4,720,000 3,515,500 Gross margin 2,640,000 2,078,100 Selling and administrative expenses: Selling expenses 1,377,000 1,080,500 Administrative expenses 704,000 617,500 Total expenses 2,081,000 1,698,000 Net operating income 559,000 380,100 Interest expense 103,000 92,000 Net income before taxes $ 456,000 $ 288,100 Members of the companys board of directors are surprised to see that net income increased by only $167,900 when sales increased by $1,766,400. Required: 1. Express each year's income statement in common-size percentages. (Round your percentage answers to 1 decimal place (i.e., 0.1234 should be entered as 12.3).)