The opportunity cost of producing the last hamburger equals the marginal benefit of consumption.
A hamburger, or simply burger, is a dish made up of fillings that are commonly a patty of ground beef that is placed inside of a sliced bun or bread roll. In addition to commonly being served on sesame seed buns, hamburger are frequently topped with cheese, lettuce, tomato, onion, pickles, bacon, or chilis. They may also come with ketchup, mustard, mayonnaise, relish, or a "special sauce," which is frequently a variant of Thousand Island dressing. The term "cheeseburger" refers to a hamburger with cheese on top. In the United Kingdom, where the word "patty" is not frequently used, the phrase "burger" can also be used to refer to the meat patty alone, or it can even just mean ground beef.
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