The following data was collected comparing gasoline prices. 
Compute a simple aggregate index comparing gas prices in 2010 to gas prices in 2000.
Definitions:
Message Of Appreciation
A communication expressing gratitude or thanks to someone for their actions, support, or contribution.
Specific Circumstances
Particular conditions or situations that affect an event, decision, or process.
Routine Replies
Standard or typical responses given to frequently asked questions or common situations in communication.
Refusing Applicants
The process of declining candidates for a position or opportunity, typically after evaluation.
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