Dizzyland Amusement Park is a monopoly that charges for ride tickets. There is no fence around the park and anyone can walk in. Dizzyland is considering building a fence so that they can charge admission. Answer the following questions on the assumption that all Dizzyland customers are identical: a) Use a graph to illustrate the maximum amount Dizzyland would be willing to pay for a fence. b) Use your graph to illustrate the maximum amount that Dizzyland’s customers would pay to prevent the building of the fence. c) If the fence can be built for free, does it increase or decrease socail gain? By how much? d) If the fence can be built at the cost you calculated in part b), does the fence increase or decrease social gain? By how much?