Which of the following statements is/are incorrect: 1. A low cost airline is expected to have higher efficiency than a premium air carrier. 2. If a company has a current ratio below 1, this indicates that the company has a liquidity problem. 3. Industries that sell standardised commodity products tend to have lower profit margins than industries which sell customised differentiated products. 4. An unusually large positive net cash from investing activities figure is indicative of a company that is downsizing. Select one: a. None of the combinations shown among the answers b. 2 c. 3 d. 1 and 3 e. 1 1.1.3 and 4 g. 2 and 4