A comparative income statement is given below for McKenzie Sales, Ltd., of Toronto: McKenzie Sales, Ltd. Comparative Income Statement This Year Last Year Sales $ 7,370,000 $ 5,601,200 Cost of goods sold 4,760,000 3,507,500 Gross margin 2,610,000 2,093,700 Selling and administrative expenses: Selling expenses 1,380,000 1,073,500 Administrative expenses 709,500 615,000 Total expenses 2,089,500 1,688,500 Net operating income 520,500 405,200 Interest expense 106,000 89,000 Net income before taxes $ 414,500 $ 316,200 Members of the companys board of directors are surprised to see that net income increased by only $98,300 when sales increased by $1,768,800.

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).)