Keller Cosmetics maintains an operating profit margin of 8.20% and a sales-to-assets ratio of 3.30. It has assets of $540,000 and equity of $340,000. Assume that interest payments are $34,000 and the tax rate is 35%. a. What is the return on assets? (Enter your answer as a percent rounded to 2 decimal places.) Answer is complete but not entirely correct. Return on assets 13.50 % b. What is the return on equity? (Enter your answer as a percent rounded to 2 decimal places.) Answer is complete but not entirely correct. Return on equity 21.43 %