Use your understanding about a perfectly competitive labour market to answer the following questions: a) What are the characteristics of a perfectly competitive labour market? (3 Marks) b) Explain what Total Revenue Product, Average Revenue Product and Marginal Revenue Product are. (3 Marks) c) Draw a set of two diagrams to show the curves of the three economic definitions in Part b). (5 Marks) d) What are the decision rules of a profit-maximizing firm in terms of inputs? (2 Marks) e) Derive the short-run labour demand curve of a firm. (4 Marks) f) Derive the long-run labour demand curve of a firm. (4 Marks)