(Figure: Market for DS Video Games I) Assume that Sofia and Elena comprise the entire market of buyers. 
a. Complete the following table. 
b. What are Sofia and Elena's inverse demand equations?
Definitions:
Continued Relevance
The ongoing importance or applicability of an idea, theory, or knowledge in the face of changing contexts or over time.
George Simmel
A German sociologist, philosopher, and critic known for his work on the philosophy of money, social structure theory, and the study of metropolitan life.
Conspicuous Consumption
The purchase of goods or services for the purpose of displaying one's wealth or social status, rather than for practical necessity.
Patriarchy
A societal structure where males predominantly possess the main authority, dominate political leadership positions, have the upper hand in moral guidance, enjoy societal advantages, and control property rights.
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