Please write a 700-1,000 word paper in which you address the questions below. Also, please do your best to format your work accordingly and to cite any references you might use.
Choose four real-world companies, respectively one for each market structure type - Perfect Competition, Monopoly, Oligopoly, and Monopolistic Competition.
Explain why the companies fit in the respective categories.
Compare and contrast the four companies with regards to their market structure characteristics, including, but not limited to: barriers to entry, number of firms in the market, short-term and long-term profits, price elasticity of demand, etc.