Assume that two firms are competing in the oligopolistic industry with the following pricing strategy (low and high) and profit (in millions). The strategies of the two firms and the payoff matrix are shown in the following table. Answer the following questions giving reference to the numbers and labels in the table: a) What is the dominant strategy for each firm? Explain. (2 marks) b) What is the competitive (Nash) equilibrium? Explain. {1.5 marks) c) What is the optimum (cooperative) outcome, and is it likely to be reached? Explain. {1.5 marks) d) What is the prisoner's dilemma? (2 marks)