A comparative income statement is given below for McKenzie Sales, Limited, of Toronto: Sales McKenzie Sales, Limited Comparative Income Statement Cost of goods sold Gross margin Selling and administrative expenses: This Year $ 7,380,000 4,610,000 2,770,000 Last Year $5,608,800 3,515,500 2,093,300 1,392,000 1,075,000 706,500 617,500 2,098,500 1,692,500 671,500 97,000 400,800 88,000 $ 574,500 Selling expenses Administrative expenses Total expenses Net operating incone Interest expense Net incone before taxes $ 312,800 Members of the company's board of directors are surprised to see that net income increased by only $261,700 when sales increased by $1,771,200. 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).) This Year Last Year Sales % Cost of goods sold % % Gross margin 0.0 % 0.0 % Selling and administrative expenses: Selling expenses % Administrative expenses % % Total selling and administrative expenses 0.0 % 0.0 % Net operating income 0.0 % 0.0 % Interest expense % % Net income before taxes 90% 0.0 %