Common size and trend percents for Aziz Company’s sales, cost of goods sold, and expenses follow.

Determine whether net income increased, decreased, or remained unchanged in this three year period.

 

Common Size Percents

Trend Percents

 

2012

2011

2010

2012

2011

2010

Sales                    

100.0%

100.0%

100.0%

104.4%

103.2%

100.0%

Cost of goods sold        

62.4

60.9

58.1

102.0

108.1

100.0

Total expenses            

14.3

13.8

14.1

105.9

101.0

100.0