Keller Cosmetics maintains an operating profit margin of 5% and asset turnover ratio of 3. 5 a. What is its ROA? (Enter your answer as a whole percent.) ROA b. If its debt-equity ratio is 1, its interest payments and taxes are each $8,000, and EBIT is $20,000, what is its ROE? (Do not round intermediate calculations. Enter your answer as a whole percent.) ROE