You are given the following information for Smashville, Inc. Cost of goods soldt Investment income Net sales Operating expenses Interest expense Dividende Tax rate: $209,000 $2,100 $392,000 $90,000 57,400 $14,000 214 Current liabilities Canh Long-term debti Other assets Fixed assets: Other liabilities Investments Operating at $22,000 $21,000 $27,000 $37.000 $128,000 $5,000 861.000 $35,000 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 assos Return on equity %