need help with both A & B on the first question and help w/the asset turnover ratio on the second question

Keller Cosmetics maintains an operating profit margin of 6% and asset turnover ratio of 2. a. What is its ROA? (Enter your answer as a whole percent.) If its debt-equity ratio is 1 , its interest payments are $8,100 and taxes are $8,200, and b. EBIT is $20,500, what is its ROE? (Do not round intermediate calculations. Enter your answer as a whole percent.) Torrid Romance Publishers has total receivables of $2,450.00, which represents 24.00 days' sales. Total assets are $9,779.64. The firm's operating profit margin is 4.46%. Find the firm's asset turnover ratio and ROA. (Use 365 days in a year. Do not round intermediate calculations. Round your answers to 2 decimal places.)