A comparative income statement is given below for McKenzie Sales, Ltd., of Toronto:
McKenzie Sales, Ltd.
Comparative Income Statement
       
| 
 | This Year | Last Year | 
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| Sales | $ | 8,000,000 |  | $ | 6,000,000 | 
| Cost of goods sold |  | 4,984,000 |  |  | 3,516,000 | 
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| Gross margin |  | 3,016,000 |  |  | 2,484,000 | 
|  | 
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| Selling and administrative expenses: |  |  |  |  |  | 
| Selling expenses |  | 1,480,000 |  |  | 1,092,000 | 
| Administrative expenses |  | 712,000 |  |  | 618,000 | 
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| Total expenses |  | 2,192,000 |  |  | 1,710,000 | 
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| Net operating income |  | 824,000 |  |  | 774,000 | 
| Interest expense |  | 96,000 |  |  | 84,000 | 
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| Net income before taxes | $ | 728,000 |  | $ | 690,000 | 
Members of the company's board of directors are surprised to see that net income increased by only $38,000 when sales increased by two million dollars.
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 100.0 % 100.0 %Cost of goods sold 62.3 % 58.6 %Gross margin 37.7 % 41.4 %Selling and administrative expenses: Selling expenses % %Administrative expenses 8.4 % 9.7 %Total selling and administrative expenses 8.4 % 9.7 %Net operating income 29.3 % 31.7 %Interest expense 1.2 % 1.4 %Net income before taxes 28.1 % 30.3
%
Sales 100.0 % 100.0 % Cost of goods sold 62.3 % 58.6 % Gross margin 37.7 % 41.4 % Selling and administrative expenses: Selling expenses % % Administrative expenses 8.4 % 9.7 % Total selling and administrative expenses 8.4 % 9.7 % Net operating income 29.3 % 31.7 % Interest expense 1.2 % 1.4 % Net income before taxes 28.1 % 30.3 %