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Ann produces Q = K'5L'25 units of its output good when it uses K units of capital and l'. units of labour. The inputs, K and L. take strictly positive values. The firm sells its output at the price of $40 per unit: it pays $10 per unit of capital and $5 per unit of labour. (a) Find the finn's prot function. (3 marks) (b) Find the stationary point of the profit funotion. (8 marks) (0) Verify that profit attains a global maximum at the stationary point in (h). (8 marks)