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

McKenzie Sales, Ltd. Comparative Income Statement
	This Year			Last Year
Sales	$	7,330,000		$	5,570,800
Cost of goods sold		4,640,000			3,514,000
Gross margin		2,690,000			2,056,800
Selling and administrative expenses:
Selling expenses		1,394,000			1,073,000
Administrative expenses		707,000			611,000
Total expenses		2,101,000			1,684,000
Net operating income		589,000			372,800
Interest expense		97,000			93,000
Net income before taxes	$	492,000		$	279,800

Members of the companys board of directors are surprised to see that net income increased by only $212,200 when sales increased by $1,759,200

1. Express each year's income statement in common-size percentages.

This Year Last 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 % % % % % % % % % %