Comparative financial statements for Weller Corporation, a merchandising company, for the fiscal year ending December 31 appear below. The company did not issue any new common stock during the year. A total of 810,000 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 $0.40. The market value of the companys common stock at the end of the year was $18.50. All of the companys sales are on account.

Weller Corporation Comparative Balance Sheet (dollars in thousands) This Year Last Year Assets Current assets: Cash $ 2,546 $ 2,770 Accounts receivable, net 12,400 9,150 Inventory 9,750 8,240 Prepaid expenses 1,810 2,120 Total current assets 26,506 22,280 Property and equipment: Land 6,100 6,100 Buildings and equipment, net 19,300 19,100 Total property and equipment 25,400 25,200 Total assets $ 51,906 $ 47,480 Liabilities and Stockholders' Equity Current liabilities: Accounts payable $ 9,600 $ 8,350 Accrued liabilities 620 750 Notes payable, short term 310 310 Total current liabilities 10,530 9,410 Long-term liabilities: Bonds payable 6,250 6,250 Total liabilities 16,780 15,660 Stockholders' equity: Common stock 810 810 Additional paid-in capital 4,250 4,250 Total paid-in capital 5,060 5,060 Retained earnings 30,066 26,760 Total stockholders' equity 35,126 31,820 Total liabilities and stockholders' equity $ 51,906 $ 47,480

Weller Corporation Comparative Income Statement and Reconciliation (dollars in thousands) This Year Last Year Sales $ 80,000 $ 75,000 Cost of goods sold 52,500 48,500 Gross margin 27,500 26,500 Selling and administrative expenses: Selling expenses 8,600 8,100 Administrative expenses 12,100 11,100 Total selling and administrative expenses 20,700 19,200 Net operating income 6,800 7,300 Interest expense 750 750 Net income before taxes 6,050 6,550 Income taxes 2,420 2,620 Net income 3,630 3,930 Dividends to common stockholders 324 324 Net income added to retained earnings 3,306 3,606 Beginning retained earnings 26,760 23,154 Ending retained earnings $ 30,066 $ 26,760

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).)