Consider the following data on the prices of three items,A,B,and C,from 2000 through 2002. 
If the price of item C in 2002 was 210 instead of 207,which of the following is the unweighted aggregate price index for 2002 for the three items,using 2000 as the base year?
Definitions:
Long Run
A period in economics during which all factors of production and costs are variable, allowing firms to adjust all inputs.
Deli
A short form for delicatessen, which is a store or counter specializing in prepared foods, sandwiches, and specialty groceries.
Zero Economic Profits
A condition in perfect competition where firms earn just enough revenue to cover their total costs, leading to no supernormal profit in the long term.
Monopolistically Competitive
A market structure where many firms sell products that are similar but not identical, allowing for significant brand differentiation and some control over prices.
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