2.1.3 Briefly describe the concept collusion. 2.1.4 Explain briefly the pattern of Mawethu's MC curve. 2.1.5 Determine the missing values for A and B. Show all the calculation 2.2 Use a well labelled graph to explain the shape of the AC curve. QUESTION 3 3.1 Why should entrepreneurs operate under the conditions of perfect marke 3.2 Evaluate the impact of political instability on the country's economy. 16 ​