Consider the following table providing the prices for three different brands of chocolate-chip cookies during 2008 to 2009 in a particular country.(Prices are in the country's local currency. ) 
a.Compute the unweighted aggregate price index for 2009,using 2008 as the base year.
b.Interpret the result.
Definitions:
Traditional Stereotypes
Widely held but fixed and oversimplified images or ideas of particular types of people or things.
Child-rearing
The process of caring for and guiding the growth and development of a child from infancy to adulthood.
Parenting
The activities, practices, and approaches involved in raising a child from infancy to adulthood.
Latin Word
Refers to a word originating from Latin, the language historically spoken in the Roman Empire and from which the Romance languages evolved.
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