A comparative income statement is given below for McKenzie Sales, Limited, of Toronto: Last Year $ 5,608,800 3,513,000 2,095,800 McKenzie Sales, Limited Comparative Income Statement This Year Sales $ 7,380,000 Cost of goods sold 4,710,000 Gross margin 2,670,000 Selling and administrative expenses: Selling expenses 1,396,000 Administrative expenses 705,500 Total expenses 2,101,500 Net operating income 568,500 Interest expense 97,000 Net income before taxes $ 471,500 1,081,500 616,500 1,698,000 397,800 85,000 $ 312,800 Members of the company's board of directors are surprised to see that net income increased by only $158,700 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 Selling and administrative expenses: Selling expenses Administrative expenses Total selling and administrative expenses Net operating income Interest expense Net income before taxes % % % % % % % % %