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To which group of polymers does polystyrene belong?
Cash Flow
The cumulative sum of funds moving into and out of a company, particularly influencing its liquid assets.
Opportunity Costs
The advantages that a person, business, or investor loses by selecting one option instead of another.
Sunk Costs
Past expenses that have already been incurred and cannot be recovered, and therefore should not affect future business decisions.
Fixed Costs
Fixed costs are business expenses that remain constant regardless of the level of production or sales.
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