true or false? FedEx, UPS, Amazon, and the United States Postal Service (USPS) are very large entities that probably control over 90 percent of the overnight small package delivery market. None of these firms ever charge super-high or super-low prices for the delivery of the small packages. The graph that best represents this market is the 'kinked' demand curve. (Everything said up to this point is correct). Conclusion: This industry is a good example of the Monopolistic Competition market structure