Typically,the sales volume declines with an increase of a product's 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. 
Using the quadratic equation,predict the sales if the luxury good is priced at $100.
Definitions:
Coenzymes
Non-protein organic molecules that bind to enzymes and are essential for their catalytic activity, aiding in various biochemical transformations.
Antioxidants
Substances that can prevent or slow damage to cells caused by free radicals, unstable molecules that the body produces as a reaction to environmental and other pressures.
Concentration Gradient
The gradual change in the concentration of solutes in a solution as a function of distance through a solution.
Active Transport
Energy-requiring mechanism in which a transport protein pumps a solute across a cell membrane against the solute’s concentration gradient.
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