If it costs you $60 to produce 3 widgets and $64 to produce 4 widgets, the marginal cost to you of producing a 4th widget is

A) $62.
B) $20.
C) $18.
D) $6.
E) $4.

E

Economics

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An optimum currency area functions best when labor is immobile from country to country

a. True b. False

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If the Shell and Mobil oil companies merge, what is this called?

a. concentration merger b. diversified merger c. horizontal merger d. vertical merger e. conglomerate merger

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