Data for selected fruits purchased at wholesale prices for 2005 and 2009 are shown in the following table. 
What is the unweighted aggregate price index?
Definitions:
Leasehold Improvements
Alterations or enhancements made to a leased space by or for a tenant, usually to suit the specific needs of that tenant, which typically become the property of the landlord at the end of the lease term.
Capital Improvements
Investments in physical assets or upgrades to property that increase its value or extend its use.
Loop layout
A store design where aisles and pathways are arranged in a manner that guides customers in a circular route through the space.
Predominant Aisle
The main or most prominent pathway within a store or area, often where key products or services are displayed.
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