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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 1,000,000 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 $075 last year and $0.40 this year. The market value of the company's common stock at the end of this year was $28. All of the company's sales are on account. Required: Compute the following financial data for this year: 1. Gross margin percentage. (Round your percentage answer to 1 decimal place (t.e., 0.1234 should be entered as 12.3 ).) 2. Net profit margin percentage. (Round your percentage answer to 1 decimal place (L.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 ).)