With a budget of $500 000,a school board can choose to purchase 20 000 textbooks or 2000 laptop computers (or some intermediate combination) for use in classrooms. 
FIGURE 1-2
-Refer to Figure 1-2.For the school board,what is the opportunity cost of one additional textbook?
Definitions:
Theoretical Mathematician
A specialist in mathematics who focuses on developing new mathematical theories, models, and concepts, often working on problems that do not have immediate practical applications.
Personal Interest
An individual's specific enthusiasm or concern in a particular area or subject, often leading to personal motivation or engagement.
Political Connections
Relationships and networks among individuals, organizations, and institutions that influence power dynamics and decision-making in a political context.
Electromagnetism
The branch of physics concerned with the forces that occur between electrically charged particles, encompassing both electricity and magnetism.
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