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2. (20 pts) John has a Cobb Douglas type utility function for the British tea and coffee U(q1, 92) = 91"92- 721-a. The demand functions for the British tea and coffee are as follows: q1 = a- and q2 = (1 - a) The initial price for the first good is fP, for the second good is f2P and total income is fl. Draw the graph and analyse if the price of the first good will be f2P (British tea) in terms of substitution and income effect