3. Pick one of the industries below (or another industry of your choice) and explain why the industry is profitable (or why it is not very profitable) using the appropriate framework. Hint: What is the framework that needs to be used to analyze the profits of an industry (or the profit potential of an industry?). Pharmaceuticals Airlines Grocery retailers Restaurants These industries are suggestions - feel free to pick another industry for your analysis. Provide as much detail as possible. (30 pts) 4. Explain: Define business model. (Limit: 2 sentences.) (5 pts) b. Why is the subscription model becoming more popular? (5 pts) a