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PERSONAL INCOME TAX: A tax on individual income. This is the primary source of revenue for the federal government, a big source for many state and local governments, and the reason most people dread April 15th. In principle, personal income taxes are progressive, based on a graduated tax scale. However, it's much more proportional today than it was several decades ago.

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MARGINAL REVENUE CURVE, PERFECT COMPETITION

A curve that graphically represents the relation between the marginal revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. Because a perfectly competitive firm is a price taker and faces a horizontal demand curve, its marginal revenue curve is also horizontal and coincides with its average revenue (and demand) curve. A perfectly competitive firm maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.

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Today, you are likely to spend a great deal of time at a going out of business sale hoping to buy either clothing for your pet dog or an ink cartridge for your printer. Be on the lookout for celebrities who speak directly to you through your television.
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Natural gas has no odor. The smell is added artificially so that leaks can be detected.
"Success is the ability to go from one failure to another with no loss of enthusiasm."

-- Sir Winston Churchill

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