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Vaughn, Inc.'s comparative income statement follows. The 2017 data are given as needed. (Click the icon to view the data.) Read the requirements. Requirement 1. Calculate the profit margin ratio for 2019 and 2018. Begin by selecting the formula to calculate the profit margin ratio. Profit margin ratio = 2017 Vaughn, Inc. Comparative Income Statement Years Ended December 31, 2019 and 2018 2019 2018 Dollars in thousands Net Sales Revenue $ 185,000 $ 151,000 Cost of Goods Sold 98,500 85,500 Selling and Administrative Expenses 46,500 39,500 Interest Expense 7,500 11,500 Income Tax Expense 12,000 8,500 $ 20,500 $ 6,000 Net Income Additional data: Total Assets $ 210,000 $ 192,000 $ 174,000 Common Stockholders' Equity 91,500 87,000 80,000 Preferred Dividends 2,500 2,500 0 Common Shares Outstanding During the Year 30,000 30,000 15,000 1. 2. 3. 4. Calculate the profit margin ratio for 2019 and 2018. Calculate the rate of return on total assets for 2019 and 2018. Calculate the asset turnover ratio for 2019 and 2018. Calculate the rate of return on common stockholders' equity for 2019 and 2018. Calculate the earnings per share for 2019 and 2018. Calculate the 2019 dividend payout on common stock. Assume dividends per share for common stock are equal to $0.45 per share. Did the company's operating performance improve or deteriorate during 2019? 5. 6. 7