a) Distinguish between the short run and the long run in production theory. (4 marks) b) Explain the Law of Diminishing Returns and state the three stages of production associated with it. (8 marks) c) With the aid of a clearly labelled table, illustrate how Total Product (TP), Average Product (AP), and Marginal Product (MP) behave as more units of a variable factor are added to a fixed factor. (8 marks)