A comparative income statement is given below for McKenzie Sales, Ltd., of Toronto: McKenzie Sales, Ltd. Comparative Income Statement This Year Last Year $5,555,600 3,512,000 2,043,600 Sales Cost of goods sold Gross margin Selling and administrative expenses: Selling expenses Administrative expenses $7,310,000 4,690,000 2,620,000 1,398,000 710,500 1,081,500 612,500 1,694,000 Total expenses 2,108,500 Net operating income Interest expense 349,600 90,000 511,500 98,000 $ Net income before taxes 413,500 259,600 Members of the company's board of directors are surprised to see that net income increased by only $153,900 when sales increased by $1,754,400. 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 Selling and administrative expenses: % % Selling expenses % % Administrative expenses % % Total selling and administrative expenses % % % % Net operating income Interest expense Net income before taxes % %