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Marginal cost and marginal benefit (bottles of soda per bicycle) N 0 2 3 5 Bicycles (thousands per month) In the above figure: I A- What does the curve (a) represent? (1 mark) B- When 2000 bicycles are produced, how much is the marginal benefit? (2 marks) C- What is the allocationy efficient level of output? (1mark) D- If at the moment 4000 bicycles are produced per month, should more or fewer bicycles be produced? Explain. (1 mark)