Use the following to answer questions: 
-(Table: Security in a Residential Community) Look at the table Security in a Residential Community. The marginal cost of hiring the third security guard is _____, and the marginal social benefit is _____.
Definitions:
Stroke
A medical condition resulting from the interruption of blood supply to a part of the brain, leading to sudden loss of brain function and possible long-term disability.
Alternative Methods
Refers to non-traditional practices or techniques used in place of conventional approaches for various purposes, including medical treatment.
Incongruent Statements
Expressions or declarations that do not align or agree with each other, leading to confusion or misunderstanding.
Diversional Activities
Leisure activities that are used to divert or distract individuals from their stressors, enhancing their overall well-being.
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