Profitability ratios The following selected data were taken from the financial statements of Robinson Inc. for December 31, 2014, 2013 and 2012: The 2014 net income was $372,000, and the 2013 net income was $492,000. No dividends on common stock were declared between 2012 and 2014. a. Determine the rate earned on total assets, the rate earned on stockholders' equity, and the rate earned on common stockholders' equity for the years 2013 and 2014. Round to one decimal place. b. What conclusions can be drawn from these data as to the company's profitability