Use the following to answer questions: 
-(Table: Lunch) Look at the figure Lunch. Joe makes and sells picnic lunches to people taking all-day rafting trips on the river. The marginal cost and average cost of each lunch are a constant $4. If Joe is one of many firms in a competitive industry, what is consumer surplus in the long run?
Definitions:
Genius
An exceptional intellectual or creative power or other natural ability.
Water Consumption
The volume of water utilized by individuals, industries, agriculture, or other entities over a specific period.
National Center for Health Statistics
A U.S. government agency that compiles statistical information to guide actions and policies to improve the health of the American people.
Standard Deviation
A figure representing how much the data in a set deviates from its central value, the mean.
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