The following transportation table shows the cost of shipping one unit from each source to each destination in the upper right-hand corner of each cell, as well as the supply capacities and demand requirements: 
The optimal solution is: 
The total amount shipped from Portland to Dallas is:
Definitions:
Career Advancement
The process of moving up in the professional hierarchy or gaining higher positions, responsibilities, and possibly increased salary.
Social Mobility
The ability for individuals or families to move up or down the social ladder within a society, often impacted by factors like education, income, and occupation.
Third-Country National
An individual who is a citizen of a country but works and resides in a country other than their country of citizenship.
Host-Country National
Individuals who are citizens of the country where a multinational company's subsidiary or operation is located.
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