From the Information Provided,calculate Wooden's Profit Margin Ratio for Each

Essay

From the information provided,calculate Wooden's profit margin ratio for each of the three years.Comment on the results,assuming that the industry average for the profit margin ratio is 6% for each of the three years.
2011 2010 2009
Net income $ 2,630 $ 2,100 $ 1,850
Net Sales 36,500 32,850 31,200
Total Assets 400,000 385,000 350,000