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:
Muscle Cramps
Involuntary and sudden contractions of a muscle or muscles, often causing pain and discomfort.
Lactate Ion
A negatively charged ion (anion) formed from lactic acid, playing a significant role in metabolic processes, especially in muscle cells during strenuous exercise.
Pyruvate Ion
A negatively charged ion derived from pyruvic acid, playing a crucial role in metabolic processes as an energy source.
Electrolytes
Substances that dissociate into ions in solution, making the solution electrically conductive.
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