please help with the last two. I will hit thumbs up! thank you!

Exercise 14.5 (Algo) Financial Ratios for Assessing Profitability [LO14.5] 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 820,000 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 $19. All of the company's sales are on account. Required: Compute the following financial data for this year. 1 Gross margin percentage. (Round your percentoge answer to 1 decimal place (i.e., 0.1234 should be entered os 12.3).) 2. Net profit margin percentage. (Round your percentoge onswer to 1 decimal place (i.e., 0.1234 should be entered as 12.3 ).) 3. Return on total assets (Round your percentege onswer to 1 decimol ploce (i.e., 0.1234 should be entered as 12.3 ).) 4. Return on equity. (Round your percentoge onswer to 2 decimal places (i.e.,0.1234 should be entered as 12.34).)