Income Statement Ratio The 2008 income statement of Vine Enterprises shows operating revenues of $277,900, selling expenses of $86,990, general and administrative expenses of $80,920, interest expense of $810 and income tax expense of $33,591. Vine's stockholders' equity was $290,000 at the beginning of the year and $335,000 at the end of the year. The company has 15,000 shares of stock outstanding at December 31, 2008. Compute Vine's profit margin. Round the percentage to one decimal place