Farnor, Inc., would like to estimate the variable and fixed components of its electrical costs and has compiled the following data for the last four months of operations. 
Using the high-low method of analysis, the estimated variable cost per machine hour for electricity is closest to:
Definitions:
Homeowner's Policy
An insurance policy providing coverage for damage to a person's home and possessions within, as well as liability for accidents that occur in the home or on the property.
Independent
A term in statistics that describes two or more variables which do not influence or affect each other.
Independent
Not influenced by or connected to others; in statistics, it often implies that variables are not correlated.
Independent
Not influenced or controlled by others; capable of thinking or acting for oneself.
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