The project represented by this network diagram has activity lengths in days and crash costs as shown in the table.The fixed cost for being on site is $450.What is the lowest total completion cost for the project? 
Definitions:
Post-traumatic Stress Disorder
A psychological disorder caused by directly experiencing or seeing a traumatic incident, leading to recurring nightmares, flashbacks, and intense stress.
Bipolar Disorder
A psychiatric condition marked by significant fluctuations in a person's mood, energy, and ability to function, often oscillating between periods of depression and mania.
Dissociative Identity Disorder
A mental disorder characterized by the presence of two or more distinct personality states.
Multiple Personality
An outdated term for Dissociative Identity Disorder, which involves the presence of two or more distinct personality states.
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