. Based on the information provided in the tables on the left, examine the supply and demand graph in the space below. This information is helpful for the client to know how much oil to produce. The graph shows how prices are set in economic theory. In the "real world," oil and its derivative products are priced on commodity exchanges. Prices can change in less than a second. The information provided here is approximately four months old.After you have examined the graph, identify the price and quantity at which equilibrium exists. This information is essential for the client to determine the quantity of oil to produce for profit maximization.