a) Explain the TWO (2) types of cartel in oligopoly market structure. b) Explain the concept of kinked demand curve in oligopoly market structure. c) The Diagram 1 below shows the information on the shortrun price, cost and revenue of a firm in a perfect competition market. PricelRevenue/Cost (RM) ATC P=MR=AR Quantity (unit) Diagram 1 Based on Diagram 1 above, i. What is the equilibrium output level? ii. What is the total revenue of the firm when it is producing at the equilibrium output level? iii. What is the total cost of the firm when it is producing at the equilibrium output level? iv. What is the total fixed cost of the firm when it is producing at the equilibrium output level? v. Compute the profit or loss incurred by the firm? vi. Based on your answer in (v), determine whether the firm is experiencing abnormal profit, normal profit or subnormal profit