Weller Corporation Comparative Income Statement and Reconciliation (dollars in thousands) This Year Last Year Sales $ 93,000 $ 88,000 Cost of goods sold 59,000 55,000 Gross margin 34,000 33,000 Selling and administrative expenses: Selling expenses 9,900 9,400 Administrative expenses 13,400 12,400 Total selling and administrative expenses 23,300 21,800 Net operating income 10,700 11,200 Interest expense 1,200 1,200 Net income before taxes 9,500 10,000 Income taxes 3,800 4,000 Net income 5,700 6,000 Dividends to common stockholders Net income added to retained earnings Beginning retained earnings 376 752 5,324 5,248 28,060 22,812 Ending retained earnings $ 33,384 $ 28,060 Required: 3. Return on total assets. (Round your percentage answer to 1 decimal place (i.e., 0.1234 should be entered as 12.3).)