8. Four roommates have a TV in their (shared) common room and they are consid ering streaming some movies to watch together. Their WTP: WTP for: Dan Tony Steve Arun One movie 7 5 3 2 Two 2 2 Three 5 1 1 0 (a) Are the streamed movies rival? Explain. (b) Are the streamed moves excludable? Explain. (c) If each movie costs $8, how many movies should the group watch to maximize surplus? (The Pareto efficient outcome) Explain. (d) Since the professors don't know each other's willingness to pay, they aren't sure how many movies to stream. Dan offers to pay to stream one movie, regardless of the other's willingness to pay. Dan then asks each roommate to contribute $2 (their share of the cost) if their WTP is above $2. What is Tony's surplus if Tony admits that his WTP is above 2? What is Tony's WTP if he claims that his WTP is below 2