In 2020, Spanish Fort Corporation had net sales of $500,000 and cost of goods sold of $300,000. Operating expenses were $93,000, and interest expense was $7,500. The corporation's tax rate is 30%. The corporation declared preferred dividends of $7,000 in 2020, and its average common stockholders' equity during the year was $500,000. Compute Spanish Corporation's return on common stockholders' equity for 2020. (Round answer to 2 decimal places, e.g 10.50%) Return on common stockholders' equity eTextbook and Media Save for Later Attempts: 0 of 1 used Submit