Highgate Computer Company produces $1.8 million in profits from $27 million in sales. It has total assets of $15.0 million. a. Calculate Highgate's total asset turnover and its net profit margin. b. Find the company's ROA, ROE, and book value per share, given that it has a total net worth of $6.0 million and 500,000 shares of common stock outstanding. a. Highgate's total asset turnover is . (Round to two decimal places.) Highgate's net profit margin is %. (Round to two decimal places.) b. The company's ROA is The company's ROE is %. (Round to two decimal places.) %. (Round to two decimal places.) The company's book value per share is $ . (Round to the nearest cent.)