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 850,000 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 this year was $20. All of the companys sales are on account.

Weller Corporation Comparative Balance Sheet (dollars in thousands) This YearLast YearAssets Current assets: Cash$ 1,810$ 710Accounts receivable, net12,80010,000Inventory9,9508,400Prepaid expenses1,8502,200Total current assets26,41021,310Property and equipment: Land6,5006,500Buildings and equipment, net19,70019,500Total property and equipment26,20026,000Total assets$ 52,610$ 47,310Liabilities and Stockholders' Equity Current liabilities: Accounts payable$ 10,000$ 8,550Accrued liabilities700950Notes payable, short term350350Total current liabilities11,0509,850Long-term liabilities: Bonds payable5,0005,000Total liabilities16,05014,850Stockholders' equity: Common stock850850Additional paid-in capital4,4504,450Total paid-in capital5,3005,300Retained earnings31,26027,160Total stockholders' equity36,56032,460Total liabilities and stockholders' equity$ 52,610$ 47,310

Weller Corporation Comparative Income Statement and Reconciliation (dollars in thousands) This YearLast YearSales$ 84,000$ 79,000Cost of goods sold54,50050,500Gross margin29,50028,500Selling and administrative expenses: Selling expenses9,0008,500Administrative expenses12,50011,500Total selling and administrative expenses21,50020,000Net operating income8,0008,500Interest expense600600Net income before taxes7,4007,900Income taxes2,9603,160Net income4,4404,740Dividends to common stockholders340680Net income added to retained earnings4,1004,060Beginning retained earnings27,16023,100Ending retained earnings$ 31,260$ 27,160

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).)