Question 40 (15 points) Assume a rainy season in the Great Plains increases the supply of wheat. Noting that wheat is a basic ingredient in the production of bread, and potatoes are a consumer substitute for bread, draw a graph for each market and show the changes in equilibrium price and quantity (one graph for the market for wheat, one graph for the market for bread, and one for the market for potatoes). Label all elements on the graph and clearly say what happens to the equilibrium price and quantity. (15 points) O