Find the minimum cost solution for the transportation problem detailed in the table below. Explain carefully the meaning of any quantity in a "dummy" row or column. 
Definitions:
Threat
A potential source of harm, danger, or negative outcome, which can be physical, emotional, or psychological in nature.
Challenge
A task or situation that requires a person to engage in effortful behavior to achieve a specific objective or overcome an obstacle.
Gordon Allport
An influential psychologist known for his theories on personality and for being one of the founders of personality psychology.
Traits
Enduring characteristics or behaviors that differentiate individuals from one another, often considered stable and part of one’s personality.
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