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OPTION: A contract that gives the buyer an "option" to complete a transaction within a given time period. Options are used frequently in financial markets.

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MARGINAL COST

The change in total cost (or total variable cost) resulting from a change in the quantity of output produced by a firm in the short run. Marginal cost (MC) indicates how much total cost changes for a given change in the quantity of output. Because changes in total cost are matched by changes in total variable cost in the short run (total fixed cost is fixed), marginal cost is the change in either total cost or total variable cost. It is found by dividing the change in total cost (or total variable cost) by the change in output. Marginal cost is one of four cost concepts used in short-run production analysis. The other three are average total cost, average fixed cost, and average variable cost.

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Today, you are likely to spend a great deal of time lost in your local discount super center hoping to buy either several magazines on fashion design or a package of 3 by 5 index cards, the ones without lines. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
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