The following table provides the price and quantity data for three brands of a particular good during 2010 and 2011. 
a. Use 2010 as the base year and compute the weighted aggregate price index for 2011 using the Laspeyres method.
B)Interpret the result.
Definitions:
Constant-Cost Industry
An industry where the costs of production do not change as the industry's output changes.
Long-Run Equilibrium
A state in economic theory where all factors of production are fully adjustable, allowing for optimal resource allocation and full competition.
Increasing-Cost Industry
An industry in which production costs increase as the entire market expands production, often due to finite resources.
Long-Run Equilibrium
A state in which all inputs are variable, enabling firms to make adjustments to output and prices to reach a point where no firm desires to change its production or exit the market.
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