Check my wor Cost of goods sold: Investment income: Net sales: Operating expense: Interest expense: Dividends : Tax rate: $164,000 $ 1,200 $318,000 $ 71,000 $ 7,400 3,200 35% is Current liabilities: Cash: Long-term debt: Other assets: Fixed assets: Other liabilities: Investments: Operating assets: $ 42,000 $ 21,000 $ 102,000 $ 36,000 $ 150,000 $ 11,000 $ 32,000 $ 64,000 Calculate the gross margin, the operating margin, return on assets, and return on equity. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) % Gross margin Operating margin Return on assets % % Return on equity %