In the averting expenditures model shown below, if environmental quality is E1, and personal environmental quality is X1, the area or distance that represents the individual's averting expenditures is 
Definitions:
Preconscious Need Level
The level at which needs are not fully developed in the conscious mind.
Post-purchase Dissonance
The feeling of regret, doubt, or anxiety that a consumer may experience after making a significant purchase, fearing that they may have made the wrong choice.
Product Needs
The specific features, benefits, and solutions that customers seek in a product to satisfy certain requirements or solve problems.
Unconscious Need Level
The level at which people do not know why they buy a product.
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