Find an example of price discrimination and report at least two prices for the same product that demonstrate this price discrimination. Describe the different markets, indicating how they are able to be separated. Is the distinction of one market from the other likely to persist over time? Is it likely the seller can keep the markets separate over time? In what way might this situation be efficient? In what way might it be inefficient? Be sure to give economic reasons for your answers, and clearly identify sources. Essay should be 2-4 pages long, not counting reference or cover pages. You should have at least two valid sources; one on the "positive" side and one on the "negative" side.