A comparative income statement is given below for McKenzie Sales, Limited, of Toronto: McKenzie Sales, Limited Comparative Income Statement Sales This Year $7,320,000 Last Year $5,563,200 Cost of goods sold 4,750,000 3,512,000 Gross margin Selling and administrative expenses: Selling expenses Administrative expenses Total expenses Net operating income Interest expense Net income before taxes 2,570,000 2,051,200 1,381,000 1,077,000 703,000 614,000 2,084,000 1,691,000 486,000 101,000 360,200 85,000 $ 385,000 $ 275,200 Members of the company's board of directors are surprised to see that net income increased by only $109,800 when sales increased by $1,756,800. Required: 1. Express each year's income statement in common-size percentages. (Round your percentage answers to 1 decimal place (l.e., 0.1234 should be entered as 12.3).) Sales Cost of goods sold Gross margin Selling and administrative expenses: Selling expenses Administrative expenses Total selling and administrative expenses Net operating income Interest expense Net income before taxes This Year Last Year % % % % % % % % % % %