A comparative income statement is given below for McKenzie Sales, Ltd., of Toronto: McKenzie Sales, Ltd. Comparative Income Statement This Year Last Year Sales $ 7,390,000 $ 5,616,400 Cost of goods sold 4,740,000 3,513,000 Gross margin 2,650,000 2,103,400 Selling and administrative expenses: Selling expenses 1,383,000 1,079,000 Administrative expenses 703,000 615,500 Total expenses 2,086,000 1,694,500 Net operating income 564,000 408,900 Interest expense 98,000 93,000 Net income before taxes $ 466,000 $ 315,900 Members of the companys board of directors are surprised to see that net income increased by only $150,100 when sales increased by $1,773,600. 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).)