Comparative financial statements for Weller Corporation, a merchandising company, for the year ending December 31 appear below. The company did not issue any new common stock during the year. A total of 840,000 shares of common stock were outstanding. The interest rate on the bond payable was 12%, the income tax rate was 40%, and the dividend per share of common stock was $0.75 last year and $0.40 this year. The market value of the companys common stock at the end of the year was $20. All of the companys sales are on account. Weller Corporation Comparative Balance Sheet (dollars in thousands) This Year Last Year Assets Current assets: Cash $ 6,344 $ 6,400 Accounts receivable, net 12,700 9,300 Inventory 9,900 8,360 Prepaid expenses 1,840 2,180 Total current assets 30,784 26,240 Property and equipment: Land 6,400 6,400 Buildings and equipment, net 19,600 19,400 Total property and equipment 26,000 25,800 Total assets $ 56,784 $ 52,040 Liabilities and Stockholders' Equity Current liabilities: Accounts payable $ 9,900 $ 8,500 Accrued liabilities 680 900 Notes payable, short term 340 340 Total current liabilities 10,920 9,740 Long-term liabilities: Bonds payable 10,000 10,000 Total liabilities 20,920 19,740 Stockholders' equity: Common stock 840 840 Additional paid-in capital 4,400 4,400 Total paid-in capital 5,240 5,240 Retained earnings 30,624 27,060 Total stockholders' equity 35,864 32,300 Total liabilities and stockholders' equity $ 56,784 $ 52,040 Weller Corporation Comparative Income Statement and Reconciliation (dollars in thousands) This Year Last Year Sales $ 83,000 $ 78,000 Cost of goods sold 54,000 50,000 Gross margin 29,000 28,000 Selling and administrative expenses: Selling expenses 8,900 8,400 Administrative expenses 12,400 11,400 Total selling and administrative expenses 21,300 19,800 Net operating income 7,700 8,200 Interest expense 1,200 1,200 Net income before taxes 6,500 7,000 Income taxes 2,600 2,800 Net income 3,900 4,200 Dividends to common stockholders 336 672 Net income added to retained earnings 3,564 3,528 Beginning retained earnings 27,060 23,532 Ending retained earnings $ 30,624 $ 27,060 Required: Compute the following financial data for this year: 1. Gross margin percentage. (Round your percentage answer to 1 decimal place (i.e., 0.1234 should be entered as 12.3).) 2. Net profit margin percentage. (Round your percentage answer to 1 decimal place (i.e., 0.1234 should be entered as 12.3).) 3. Return on total assets. (Round your percentage answer to 1 decimal place (i.e., 0.1234 should be entered as 12.3).) 4. Return on equity. (Round your percentage answer to 2 decimal places (i.e., 0.1234 should be entered as 12.34).)