Exercise 59.2 (Cournot's duopoly game with linear inverse demand and a fixed cost) Find the Nash equilibrium of Cournot's game when there are two firms, the inverse demand function is given by equation (56.2), and the cost function of each firm i is given by CA(4:) = if qi = 0 f + c . q if q; > 0 where c > 0, f > 0, and c