Figure 7-4 
-Following a rash of airplane bombs, the airlines have been forced to increase security at a cost of $30 million per year.The number of inspectors and machines does not vary with the number of passengers; the airlines must have sufficient staff available to handle the full-capacity load.Which graph in Figure 7-4 best illustrates the impact of the security expenditures?
Definitions:
Legal
Pertaining to the system of rules that a particular country or community recognizes as regulating the actions of its members and may enforce by the imposition of penalties.
Charismatic
Relating to or characteristic of charisma, involving a compelling charm or presence that inspires devotion or admiration in others.
Historical Data
Pertains to information from the past, collected and analyzed for understanding historical contexts, trends, and patterns.
General Concepts
Broad and abstract ideas or categories that help organize and interpret observations about the world.
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