A comparative income statement is given below for McKenzie Sales, Limited, of Toronto:

McKenzie Sales, Limited Comparative Income Statement This YearLast YearSales$ 7,380,000$ 5,608,800Cost of goods sold4,700,0003,507,000Gross margin2,680,0002,101,800Selling and administrative expenses: Selling expenses1,381,0001,081,500Administrative expenses702,500609,000Total expenses2,083,5001,690,500Net operating income596,500411,300Interest expense98,00086,000Net income before taxes$ 498,500$ 325,300

Members of the companys board of directors are surprised to see that net income increased by only $173,200 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).)