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16. Suppose that there are only two goods, books and coffee. Justine gets utility from both books and cof- fee, but her indifference curves between them are concave rather than convex to the origin. . a. Draw a set of indifference curves for Justine. b. What do these particular indifference curves tell you about Justine's marginal rate of substitution between books and coffee? c. What will Justine's utility-maximizing bundle look like? (Hint: Assume some level of income for Justine and some prices for books and coffee, then draw a budget constraint.) d. Compare your answer to (b) to real-world behaviors. Does the comparison shed any light on why economists generally assume convex preferences? 17. Chrissy spends her income on fishing lures (L) and gui- tar picks (G). Lures are priced at $2, while a package of guitar picks costs $1. Assume that Chrissy has $30 to spend and her utility function can be represented as U(L,G) = LOGOS. For this utility function, MU = 0.5L0GS and MUG=0.5L05G-05. b. C. d. e. 20. Che subs wha