North/South Airlines generated the following information from its financial statements: (1) P/E ratio equals 15.0, (2) common stock market price per share is $30, (3) fixed assets turnover equals 8.0, (4) current ratio equals 5.0, (5) current li abilities equal $300,000, (6) net profit margin equals 4 percent, and (7) 60,000 shares of com mon stock are outstanding. What are North/ South's (a) return on assets (ROA) and (b) total 2-20 assets turnover