4. Illustrate graphically a per-unit tax on producers. Identify the welfare components after the tax has been imposed: consumer surplus, producer surplus, government revenue, and anyr welfare loss. 5. Consider the following three goods: public highways, police services, a new home, and the streaming services offered by Netflix. Fully explain why or why not it should be considered a public good, private good, or some form of quasi-public good (hint use the ideas of excludability and rivalry for each good). 6. When a student (or employee) comes to class (or work) sick, theirr impose a negative externality on their classmates (or coworkers). 3. Explain how there are negative externalities here. b. Come up with another behavior that has an associated externality, where the behavior is either (a) something that students do in class or (b) something to do with health related issues