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 960,000 shares of common stock were outstanding. The interest rate on the bonds, which were sold at their face value, was 12%. The income tax rate was 40% and the dividend per share of common stock was $0.40 this year. The market value of the companys common stock at the end of the year was $26. All of the companys sales are on account. Weller Corporation Comparative Balance Sheet (dollars in thousands) This Year Last Year Assets Current assets: Cash $ 2,036 $ 3,020 Accounts receivable, net 16,000 9,050 Inventory 10,500 8,840 Prepaid expenses 1,960 2,420 Total current assets 30,496 23,330 Property and equipment: Land 7,600 7,600 Buildings and equipment, net 20,800 20,600 Total property and equipment 28,400 28,200 Total assets $ 58,896 $ 51,530 Liabilities and Stockholders' Equity Current liabilities: Accounts payable $ 11,100 $ 9,100 Accrued liabilities 920 1,500 Notes payable, short term 460 460 Total current liabilities 12,480 11,060 Long-term liabilities: Bonds payable 6,250 6,250 Total liabilities 18,730 17,310 Stockholders' equity: Common stock 960 960 Additional paid-in capital 5,000 5,000 Total paid-in capital 5,960 5,960 Retained earnings 34,206 28,260 Total stockholders' equity 40,166 34,220 Total liabilities and stockholders' equity $ 58,896 $ 51,530 Weller Corporation Comparative Income Statement and Reconciliation (dollars in thousands) This Year Last Year Sales $ 95,000 $ 90,000 Cost of goods sold 60,000 56,000 Gross margin 35,000 34,000 Selling and administrative expenses: Selling expenses 10,100 9,600 Administrative expenses 13,600 12,600 Total selling and administrative expenses 23,700 22,200 Net operating income 11,300 11,800 Interest expense 750 750 Net income before taxes 10,550 11,050 Income taxes 4,220 4,420 Net income 6,330 6,630 Dividends to common stockholders 384 768 Net income added to retained earnings 5,946 5,862 Beginning retained earnings 28,260 22,398 Ending retained earnings $ 34,206 $ 28,260

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).)