Problem 18-01A a, b1 Here are comparative statement data for Duke Company and Lord Company, two competitors. All balance sheet data are as of December 31, 2020, and December 31, 2019. Net sales Cost of goods sold Operating expenses Interest expense Income tax expense Current assets Plant assets (net) Current liabilities Long-term liabilities Common stock, $10 par Retained earnings Duke Company 2020 2019 $1,836,000 1,050,192 268,056 9,180 53,244 329,500 $311,800 522,000 497,000 64,000 74,400 109,000 90,000 Lord Company 2020 2019 $561,000 296,208 79,101 3,927 6,732 82,600 $78,600 138,600 124,800 35,800 29,200 28,600 25,200 496,000 120,000 120,000 496,000 182,500 148,400 36,800 29,000 Prepare a vertical analysis of the 2020 income statement data for Duke Company and Lord Company. (Round percentages to 1 decimal place, e.g. 12.1%.) Condensed Income Statement Duke Company Dollars Percent Lord Company Dollars Percent $ Compute the 2020 return on assets and the return on common stockholders' equity ratios for both companies. (Round answers to 1 decimal place, e.g. 12.1%.) Duke Company Lord Company Return on assets Return on common stockholders' equity %