Exercise 11-22 - In 2020, Sheffield Corp. had net sales of $593,000 and cost of goods sold of $358,000. Operating expenses were $152,000, and interest expense was $8,000. The corporation's tax rate is 32%. The corporation declared preferred dividends of $14,500 in 2020, and its average common stockholders' equity during the year was $150,000. Prepare an income statement for Sheffield Corp.. Sheffield Corp. Income Statement Compute Sheffield Corp.'s return on common stockholders' equity for 2020. (Round answer to 1 decimal place, e.g. 10.5%. Return on common stockholders' equity