A monopolist faces the demand function P(X) = 200 - X and the total costs curve C(X) = 80X.

a) Calculate the equilibrium price and quantity under monopoly. [5 Points]

b) Calculate the equilibrium price and quantity under perfect competition. [3 Points]

c) Calculate the consumer surplus, producer surplus, welfare loss (DWL) and total welfare under monopoly. [6 Points]

d) Draw your results from exercises a) and c) for the monopoly (incl. demand curve, marginal revenue curve, marginal costs curve, equilibrium price and quantity, consumer surplus, producer surplus, and welfare loss) in the graph below (do not forget to label the axes). [8 Points]

Notice ........... there is a plain diagram here ,i could not draw it .....its just empty x and y diagram with nothing written or sketched on it ..... thank you

e) How large would the consumer surplus, producer surplus, and welfare loss be if the monopolist implemented perfect price discrimination (1st degree price discrimination)? Briefly explain your results. [5 Points] .