Utility maximization under constraint, substitution and income effect, CV and EV (20 points) Josh gets utility (satisfaction) from two goods, A and B, according to the utility function U(A, B) = 3[A^?3 + B^?3 ] ^?3 + 50. While Josh would like to consume as much as possible he is limited by his income. a. Maximize Josh's utility subject to the budget constraint using the Lagrangean method (10

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