thank you for the help

Question 2 [6 points] Given the market outlined in the graph, figure out the private and social equilibrium. a) Indicate the private equilibrium and the social equilibrium on the graph. Private Equilibrium Private Equilibrium Social Equilibrium 40- Price ($/unit) 28- 20 167 12 Private Supply Cost 8 10 12 14 16 18 20 Reset Quantity b) Calculate the tax per unit necessary to reduce the quantity supplied to the socially optimum level. Tax = $0