Can you please provide answers with an explanation?

200 190 180 170 160 150 140 130 120 110 D 5 8 8 8 6 8 8 8 8 8 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Q Consider the market above. Suppose the market has a negative externality with external cost equal to $80 per unit. Fill in the blanks . In equilibrium, the private market will produce Q= units. The private market outcome is . The socially optimal level of production in the presence of the externality is . For the private market to produce the socially optimal level of output, the government should equal to $ per unit. The price paid by the buyer in this case will be $ and the price received by the seller will be Now Assume there is no negative externality. Instead, the market has a positive externality with external benefits equal to $40 per unit. The socially optimal level of output in this case will be To internalize externality, the government should equal to $ per unit. The price paid by the buyer in this case will be $ and the price received by the seller will be