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3. Anita's preferences over books and magazines are represented by the CobbDouglas utility function U (I), m) : bimi, where 5 represents the quantity of books consumed and m represents magazines. (a) At a combination of 1 book and 16 magazines, What is the utility? (1 point) (b) At a combination of 1 book and 16 magazines, What is the marginal utility of mag azines? (1 point) (c) At a combination of 1 book and 16 magazines, what is the M RS (Assume magazines are on the vertical axis, i.e., magazines are Good 2)? (1 point) ((1) Are Anita's preferences different if her utility function is instead given by the function V(b,m) : 4 (b17113) g? (1 point)