Ratios Analyzing Firm Profitability The following information is available for Buhler Company: Annual Data 2013 2012 Net sales $8,900,000 $8,300,000 Gross profit on sales 3,353,000 3,036,000 Net income 567,600 488,000 Year-End Data Dec. 31, 2013 Dec. 31, 2012 Total assets $6,800,000 $6,400,000 Stockholders' equity 3,800,000 3,200,000 Calculate the following ratios for 2013:

e. Return on common stockholders' equity (Buhler Company has no preferred stock.)