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, 310,000 $ 5,555, 600 Cost of goods sold 4, 750, 000 3, 514, 500 Gross margin 2, 560, 090 2, 041, 100 Selling and administrative expenses : Selling expenses 1, 392, 000 1, 077, 000 Administrative expenses 711, 000 617, 000 Total expenses 2, 103,000 1, 694, 000 Net operating income 457, 000 347, 100 Interest expense 100 , 060 93 , 000 Net income before taxes $ 357, 000 $ 254, 100 The company's board of directors is surprised to see net income increased by only $102,900 when sales increased by $1,754,400. Required: 1. Express each year's income statement in common-size percentages. Note: Round your percentage answers to 1 decimal place (i.e., 0.1234 should be entered as 12.3). This Year Last Year Sales % % Cost of goods sold % % Gross margin 0.0 % 0.0 % Selling and administrative expenses Selling expenses % % Administrative expenses % 1% Total selling and administrative expenses 0.0 % 0.0 % Net operating income 0.0 % 0.0 % Interest expense % % Net income before taxes 0.0 % 0.0 %