The fоllоwing tаble describes the TOTAL cоst of polluting: Firm 0 units pollution 1 unit pollution 2 units pollution 3 units pollution 4 units pollution A 180 80 30 10 0 B 200 120 50 20 0 C 120 80 45 20 0 а) Whаt are the marginal costs of each unit of pollution abatement? b) The government decides to sell EIGHT pollution permits. What do you expect the price to be for the 8th permit? c) The government gives firm A 1 permit, firm B 2 permits, and firm C 1 permit. How will the three firms trade their permits? Show all the work. Explain how the price of the 8th permit is calculated. If there is a trade, what is the price range, and between which firms? Note that question c) is not related to the conclusions in question b).