A campaign manager for a political candidate must arrange the shipment of 150 cartons of campaign buttons from three button producers to three campaign headquarters.The supplies and demands,and the per-carton transportation costs,are shown below: 
Which of the following is an objective function for the problem?
Definitions:
Identifiability
The capability to recognize, define, or distinguish assets and liabilities within a transaction or set of financial data.
AASB 138
A guideline issued by the Australian Accounting Standards Board that mandates how entities should account for and report on intangible assets.
Goodwill
The value of a company's brand name, solid customer base, good customer relations, good employee relations, and any patents or proprietary technology representing excess of purchase price over the fair market value of the net identifiable assets.
Business Combination
A transaction or event in which an acquirer gains control of one or more businesses.
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