A comparative income statement is given below for Joyner Company, Limited, of Toronto: Joyner Company, Limited Comparative Income Statement This Year Sales Cost of goods sold $ 7,330,000 4,620,000 Gross margin 2,710,000 Last Year $ 5,570,800 3,508,000 2,062,800 Selling and administrative expenses: Selling expenses Administrative expenses Total expenses Net operating income 1,382,000 1,077,500 706,500 2,088,500 616,000 1,693,500 Interest expense Net income before taxes 621,500 103,000 90,000 $ 518,500 $ 279,300 369,300 Members of the company's board of directors are surprised to see that net income increased by only $239,200 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).) Sales Cost of goods sold This Year Last Year % Gross margin % % Selling and administrative expenses: Selling expenses % % Administrative expenses % % Total selling and administrative expenses Net operating income % % Interest expense % % Net income before taxes % %