You are given the following information for Smashville, Incorporated. $249,000 $ 2,900 $ 394,000 $ 92,000 $ 7,400 $ 13,000 Cost of goods sold: Investment income: Net sales: Operating expense: Interest expense: Dividends: Tax rate: Current liabilities: Cash: Long-term debt: Other assets: Fixed assets: Other liabilities: Investments: Operating assets: 21% Gross margin Operating margin Return on assets Return on equity $ 22,000 $ 21,000 $9,000 $ 37,000 $ 139,000 $ 5,000 $ 13,000. $ 49,000 Calculate the gross margin, the operating margin, return on assets, and return on equity. Note: Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. % % % %