20) A town has several factories that release 250 tons of air pollutants. The town determines that the maximum air pollution that is acceptable to them is 100 tons. They decide to make a market for...

Extracted text: 20) A town has several factories that release 250 tons of air pollutants. The town determines that the maximum air pollution that is acceptable to them is 100 tons. They decide to make a market for pollution permits such that 1 permit buys the right to release 1 ton of air pollutant. a. Draw a graph of the demand and supply for permits b. If the permits are given away for free, how many will the factories demand? permits c. Label the market clearing price of the permits Pc d. What is the market clearing quantity of permits? permits