A comparative income statement is given below for McKenzie Sales, Limited, of Toronto: Sales McKenzie Sales, Limited Comparative Income Statement This Year $ 7,390,000 4,730,000 2,660,000 Last Year $ 5,616,400 3,508,000 2,108,400 1,385,000 1,074,000 710,000 615,500 Cost of goods sold Gross margin Selling and administrative expenses: Selling expenses Total expenses Net operating income Administrative expenses 2,095,000 1,689,500 Interest expense Net income before taxes 565,000 96,000 $ 469,000 418,900 85,000 $ 333,900 Members of the company's board of directors are surprised to see that net income increased by only $135,100 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).) 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 0.0 % 0.0 %