Use the following to answer question: 
-(Figure: The Market for Music Downloads) Use Figure: The Market for Music Downloads.If the government imposes a tax of $3 in this market,the government will receive tax revenue of:
Definitions:
Perceptual Systems
The sensory systems involved in processing and interpreting information from the environment, such as vision, hearing, touch, taste, and smell.
Concrete Operational
A stage in Piaget's theory of cognitive development, occurring from about 7 to 12 years of age, where children gain the ability to think logically about concrete events.
Formal Operational
The stage in Piaget's theory of cognitive development where individuals are able to think abstractly, logically, and systematically.
Preoperational
A stage in Jean Piaget's theory of cognitive development, where children from 2 to 7 years old develop memory and imagination, but do not yet think logically.
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