Answer the question based on the following information. Normal University has found it necessary to institute a crime-control program on its campus to deal with the high costs of theft and vandalism. The university is now considering several alternative levels of crime control. This table shows the expected annual costs and benefits of these alternatives. 
Refer to the above information. Based on cost-benefit analysis, Normal University should undertake Level:
Definitions:
Well-Educated Staff
Employees who have received extensive formal education, including higher education degrees, and possess comprehensive knowledge in their field of work.
Physical Punishment
The use of physical force with the intention of causing a child to experience pain, but not injury, for the purpose of correction or control of the child's behavior.
Cooperative
A principle or a way of engagement that involves working together towards a common goal or mutual benefit.
Aggressive
Behaving or acting in a forceful, hostile, or determined way, often to dominate or injure others.
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