The following table provides the prices of three brands of a good during 2009 and 2010. 
a.Compute the unweighted aggregate price index for 2010,with 2009 as the base year.
b.Interpret the result.
c.Is the result an accurate representation of the changes?
Definitions:
Communications Link
A connection between two or more devices that enables them to communicate and share data.
I/O Modules
Components in a PLC system designed to interface inputs (sensors) and outputs (actuators) with the PLC's processor.
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