A comparative income statement is given below for McKenzie Sales, Limited, of Toronto: Sales McKenzie Sales, Limited Comparative Income Statement This Year Cost of goods sold Gross margin Selling and administrative expenses: $ 7,330,000 4,720,000 2,610,000 Last Year $ 5,570,800 3,511,000 2,059,800 1,375,000 1,072,500 703,500 609,500 2,078,500 1,682,000 531,500 96,000 $ 435,500 377,800 Selling expenses Administrative expenses Total expenses Net operating income Interest expense Net income before taxes 91,000 $ 286,800 Members of the company's board of directors are surprised to see that net income increased by only $148,700 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 Gross margin Selling and administrative expenses: Selling expenses Administrative expenses This Year Last Year % % % % % % % % % % Total selling and administrative expenses % %