In 2017, Pennington Corporation had net sales of $592,000 and cost of goods sold of $353,000. Operating expenses were $149,000. And interest expenses was $5, 500. The corporation's tax rate is 31%. The corporation declared preferred dividends of $10, 500 is 2017, and its average common stock holder's equity during the year was $1, 85,000. Prepare an income statement for Pennington Corporation. Compute Pennington Corporation's return on common stock holder's equity for 2017. (Round answer to 1 decimal place, e.g. 10.5%)