Keller Cosmetics maintains an operating profit margin of 8.45% and a sales-to-assets ratio of 3.80. It has assets of $590,000 and equity of $390,000. Interest payments are $39,000 and the tax rate is 40%. a. What is the return on assets? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Return on assets % b. What is the return on equity? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Return on equity