A comparative income statement is given below for McKenzie Sales, Ltd., of Toronto: Last Year $5,570,800 3,509,500 2,061,300 McKenzie Sales, Ltd. Comparative Income Statement This Year Sales $7,330,000 Cost of goods sold 4,780,000 Gross margin 2,550,000 Selling and administrative expenses: Selling expenses 1,399,000 Administrative expenses 704,500 Total expenses 2, 103,500 Net operating income 446,500 Interest expense 98,000 Net income before taxes $ 348,500 1,076,000 613,000 1,689,000 372,300 87,000 $ 285, 300 Members of the company's board of directors are surprised to see that net income increased by only $63,200 when sales increased by $1,759,200. 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).) Last Year This 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 % % % % % % % % % %