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Suppose that consumer has the following utility function: U(X, Y) - In(4X) + 3Y. What would be the demand function for X? O 3PY where Px and Py denote prices of goods X and Y. Px PY where Px and Py denote prices of goods X and Y. 3PX where Py and Py denote prices of goods X and Y and I denotes income. O where Px denotes prices of goods X and I denotes income. 4P x