The table shows the price of motor fuel (mainly gasoline) and the overall price level (the consumer price index) in five-year intervals over the period 1970 through 1990. 
(A)Plot a diagram of the relative price of motor fuel for the 1970-1990 period.
(B)Explain what has been happening to the relative price of motor fuel over this period.
Definitions:
Stages of Change
A concept in psychology that maps out the phases individuals go through as they modify behavior, ranging from precontemplation to maintenance.
Transtheoretical Model
A theory of behavior change that assesses an individual's readiness to act on a new healthier behavior, and provides strategies, or processes of change to guide the individual.
Motivational Interviewing
A counseling approach that helps to inspire change by exploring and resolving ambivalence.
Counseling Skills
The abilities and techniques used by professionals to provide guidance and support, helping individuals overcome challenges and make positive changes.
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