31.) Suppose we have two people Chuckie and Angelica. Below are their value scales. They want to trade. What is underlined is what they own. Chuckie Angelica 15t Baby rattle 1st cookies 2" Blanky 2"" Barbie doll 3'd ball 3'd ball 4" G.I. Joe action figure 4" G.I. Joe action figure 5" cookies 5 Blanky 6" baby binky 6th Baby rattle Which of the follow is true? A. Two acts of trade take place B. Angelica is the short-side of the market C. the marginal utility of the second trade for Angelica is the ball