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Scarcity exists because
Electricity
A form of energy resulting from the existence of charged particles, used as a power source.
Least-squares Regression
This is a statistical method used to determine a line of best fit by minimizing the sum of squares of the distances of data points from the line.
Warranty Costs
Expenses associated with repairing or replacing products under warranty, recognized as part of product support costs.
Product Returns
Items that are sent back to the seller by the purchaser due to defects, dissatisfaction, or other reasons.
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