Ratios Analyzing Firm Profitability The following information is available for Buhler Company: Annual Data 2013 2012 Net sales $10,400,000 $8,000,000 Gross profit on sales 4,853,000 2,736,000 Net income 567,600 488,000 Year-End Data Total assets Stockholders' equity Dec. 31, X013 Dec. 31, 2012 $8,300,000 $6,100,000 3,800,000 3,200,000 Calculate the following ratios for 2013: Note: Round answers to one decimal place, unless otherwise noted. a. Gross profit percentage b. Return on sales C. Asset turnover (Round answer to two decimal places.) d. Return on assets e. Return on common stockholders' equity (Buhler Company has no preferred stock.)