A comparative income statement is given below for McKenzie Sales, Limited, of Toronto: McKenzie Sales, Limited Comparative Income Statement Sales Cost of goods sold Gross margin Selling and administrative expenses: Selling expenses Administrative expenses Total expenses Net operating income. Interest expense Net income before taxes This Year $ 7,340,000 4,790,000 2,550,000 1,371,000 711,500 2,082,500 467,500 98,000 $369,500 Last Year $ 5,578,400 3,510,000 2,068,400 1,073,500 609,500 1,683,000 385,400 93,000 $ 292,400 Members of the company's board of directors are surprised to see that net income increased by only $77,100 when sales increased by $1,761,600. 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).) 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 % 0.0% % % 0.0 % 0.0 % % 0.0% Last Year % 0.0 % % % 0.0% 0.0 % % 0.0 %