1.) in a long run equilibrium for monopolistic competition firms how is price related to ATC how is price related to MC and Graph the long run equilibrium 2.)how does a monopoly have no supply curve 3.)what are some of the problems of the government running a monopoly 4.) what are some of the problems associated with regulating the price is charge by natural monopoly 5.) where Is the socially efficient quantity found on a regular supply and demand graph