Question #9 parts a/b and question #10

9. The table sets out the marginal benefits that Sam and Nick receive from the town's street lighting. Marginal benefit Number of Sam Nick street lights (dollars per street light) UTA WN NA O OO 12 a. Is the town's street lighting a private good, a public good, or a common resource? b. Suppose that Sam and Nick are the only residents of the town. Draw a graph to show the marginal social benefit from the town's street lighting. 10. What is the principle of diminishing marginal benefit? In Problem 9, does Sam's, Nick's, or the society's marginal benefit diminish faster