Problem: Ester Corporation's most recent income statement appears below: Income Statement Sales (all on account) $ 220,000 Cost of goods sold 100,000 Gross margin 120,000 Selling and administrative expense 36,000 Net operating income 84,000 Interest expense 18,000 Net income before taxes 66,000 Income taxes (30%) 19,800 Net income $ 46,200 The beginning balance of total assets was $220,000 and the ending balance was $218,000. The return on total assets is closest to: Multiple Choice 38.4% 30.1% 21.1% 26.8%