Exhibit 16.2.Typically,the sales volume declines with an increase of a product price.It has been observed,however,that for some luxury goods the sales volume may increase when the price increases.The following Excel output illustrates this rather unusual relationship. 
Refer to Exhibit 16.2.Using the quadratic equation,predict the sales if the luxury good is priced at $100.
Definitions:
Repeatedly Checking
Compulsive behaviors characterized by the need to check things over and over, often associated with obsessive-compulsive disorder (OCD).
Agoraphobia
An anxiety disorder characterized by an intense fear of being in situations where escape might be difficult or help wouldn't be available if things go wrong.
Panic Attack
A sudden onset of intense fear or discomfort, characterized by symptoms such as rapid heartbeat, sweating, and feelings of doom.
Public Place
A location that is generally open and accessible to people, such as parks, streets, and public squares.
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