For its fiscal year ending on December 31, 2018, BMW AG reported net income of €6,117 million from sales of €99,095 million. The company also reported total assets of €171,622 million.
a. Calculate BMW’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 stockholders’ equity of €60,776 million and 664 million shares of common stock outstanding.