Use the information provided to analyze the profitability of SDHS Co using the following ratios: return on assets Sales $350,000 Gross profit $206,500 Net income $115,000 Interest expense $2,875 Average total assets $875,000 Average total shareholders' equity $500,000 Weighted-average common shares outstanding 25,000 The return on assets is 13.5% 13% 14% 14.5%