What is the objective function in the following maximal flow problem? 
Definitions:
Normal Curve
A symmetrical bell-shaped curve that represents the distribution of many types of data where most values cluster around a central mean.
Standard Deviation
Standard deviation is a statistic that measures the dispersion of a dataset relative to its mean and is used to quantify the amount of variation or dispersion of a set of data values.
Raw Scores
The initial, unadjusted scores obtained directly from tests or assessments before any normalization or conversion.
Test-retest Reliability
A measure of the consistency and stability of test results over repeated administrations under similar conditions.
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