Noble Company had net income of $175,000 and net sales of $625,000 in 2017. The company's total assets for 2016/2017 averaged $4,000,000. Its common stockholders' equity for the period averaged $2,340,000. Calculate profit margin. Profit margin LINK TO TEXT Calculate return on assets. (Round answer to 1 decimal place, e.g. 5.1. Return on assets LINK TO TEXT Calculate return on common stockholders' equity. (Round answer to 1 decimal place, e.g.5.1.) Return on common stockholders