Table 11-2
Consider a small town with only three families, the Greene family, the Brown family, and the Black family. The town does not currently have any streetlights so it is very dark at night. The three families are considering putting in streetlights on Main Street and are trying to determine how many lights to install. The table below shows each family's willingness to pay for each streetlight. 
-Refer to Table 11-2. Suppose the cost to install each streetlight is $360. How many streetlights should the town install to maximize total surplus from the streetlights?
Definitions:
Consumer Surplus
The gap between the price consumers are ready to pay for a good or service and the price they end up paying.
Market Demand
Represents the total quantity of a good or service that all consumers in a market are willing and able to purchase at various prices.
Music Downloads
Digital files of music tracks that can be legally or illegally downloaded from the internet to a computer or mobile device.
Sugar Quotas
Government-imposed limits on the amount of sugar that can be imported or produced, often to stabilize domestic prices.
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