need help with both A and B asap !

Keller Cosmetics maintains an operating profit margin of 5% and asset turnover ratio of 5. a. What is its ROA? (Enter your answer as a whole percent.) If its debt-equity ratio is 1 , its interest payments are $9,200 and taxes are $10,400, and b. EBIT is $26,000, what is its ROE? (Do not round intermediate calculations. Enter your answer as a whole percent.)