A comparative income statement is given below for McKenzie Sales, Limited, of Toronto: McKenzie Sales, Limited Comparative Income Statement This Year Last Year Sales $ 7,390,000 $ 5,616,400 Cost of goods sold 4,640,000 3,511,500 Gross margin 2,750,000 2,104,900 Selling and administrative expenses: Selling expenses 1,387,000 1,080,000 Administrative expenses 706,000 613,500 Total expenses 2,093,000 1,693,500 Net operating income 657,000 411,400 Interest expense 105,000 87,000 Net income before taxes $ 552,000 $ 324,400 Members of the companys board of directors are surprised to see that net income increased by only $227,600 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).)