Please help me those questions.

Use Figure 1 below to answer the questions that follow. The curves are not labeled on purpose. If you find that rounding is necessary, you can round to the nearest tenth of a decimal point (0.1). P 240 200 132 120 110 100 100 Figure 1 Question 1 2 pts Refer to Figure 1 Does this graph represent a market with a negative or positive externality? @ positive (O negative Question 2 2 pts Refer to Figure 1 Match the quantity to the correct label Equilibrium quantity produced by the market Socially efficient quantity 100 90 e Refer to Figure 1 What is the value of the deadweight loss that this externality creates? Question 4 2 pts Refer to Figure 1 Depending on if this is a positive or negative externality, the government should either tax or subsidize this good to eliminate the deadweight loss. What is the optimal size of that per-unit tax or subsidy