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

McKenzie Sales, Ltd. Comparative Income Statement
	This Year			Last Year
Sales	$	7,310,000		$	5,555,600
Cost of goods sold		4,700,000			3,513,500
Gross margin		2,610,000			2,042,100
Selling and administrative expenses:
Selling expenses		1,377,000			1,079,500
Administrative expenses		707,500			611,500
Total expenses		2,084,500			1,691,000
Net operating income		525,500			351,100
Interest expense		102,000			87,000
Net income before taxes	$	423,500		$	264,100

Members of the companys board of directors are surprised to see that net income increased by only $159,400 when sales increased by $1,754,400.

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).)

	This Year		Last Year
Sales	100.0	%	100.0	%
Cost of goods sold		%	63.2	%
Gross margin	100.0	%	36.8	%
Selling and administrative expenses:
Selling expenses		%		%
Administrative expenses		%		%
Total selling and administrative expenses	0.0	%	0.0	%
Net operating income	100.0	%	36.8	%
Interest expense		%		%
Net income before taxes	100.0	%	36.8	%