1. Calculate Sub Station’s return on assets, profit margin, and asset turnover ratio. (Enter your answers in thousands of dollars. (i. e. 123,000 should be entered as 123).) 2. Calculate Planet Sub's return on assets, profit margin, and asset turnover ratio. (Enter your answers in thousands of dollars. (i. e. 123,000 should be entered as 123).)

3-a. Which company has the higher profit margin?