The following table presents the monthly demand and supply in the market for sweatpants in Chicago. On the following graph, plot the demand for sweatpants.The following table presents the monthly demand and supply in the market for laundry detergent in Chicago. The following table shows the annual demand and supply in the market for ice cream in Chicago. Price gouging is fundamentally different from monopoly pricing, collusion, or pricefixing. Price gouging happens in perfectly competitive markets. The condition of demand and supply are given in the table below. What is the equilibrium price before the price ceiling? Price elasticity is the measure of the change in demand for a product after a change in the price of that product. The law of supply and demand explains how changes in a product's market price relate to its supply and demand.