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15.6 (0) Ken's utility function is up (21, $2) = 21 + $2 and Barbie's utility function is up(21,12) = (21 + 1)(x2 + 1). A person can buy 1 unit of good 1 or 0 units of good 1. It is impossible for anybody to buy fractional units or to buy more than 1 unit. Either person can buy any quantity of good 2 that he or she can afford at a price of $1 per unit. (a) Where m is Barbie's wealth and p is the price of good 1, write an equation that can be solved to find Barbie's reservation price for good 1. (m - p1 + 1)2 = m + 1. What is Barbie's reservation price for good 1? p = (m + 1)/2. What is Ken's reservation price for good 1? $1 . (b) If Ken and Barbie each have a wealth of 3, plot the market demand curve for good 1