Can anyone help me with these short answer questions

1. What are some of the main sources of revenue for attractions (both mainstream and cultural/heritage attractions)? What are the main expenses?
2. Name a cultural or heritage attraction in your community. Where does its revenue come from? What are its major expenses? Who are its target markets? Based on this information, make three key recommendations for sustaining its business.
3. What are three items that should be included in a waiver for it to be effective?
4. What does carrying capacity mean? Why is this important to the tourism industry? Provide an example.