The demand for a good is given by Q^D = 750 - 0.4P. What is consumer surplus at a price of $80? A) $644,405 B) $57,440 C) $1,875 D) $71,800

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Consumer surplus is the difference between the price consumers are willing to pay for a good and the price they actually pay. In this case, the demand curve is Q^D = 750 - 0.4P, which means that consumers are willing to pay $750 for one unit of the good when the price is $0, and $710 for one unit of the good when the price is $100. At a price of $80, consumers are willing to pay $730 for one unit of the good. Therefore, consumer surplus is $730 - $80 = $650.

The Demand for a Good Is Given by QD =

The Demand for a Good Is Given by Q^D =