Use the following to answer question: 
-(Table: Prices and Demand) The New Orleans Saints have a monopoly on Saints logo hats.The marginal cost of producing a hat is $18.If the Saints increase the number of hats they sell from 4 to 5,marginal revenue is:
Definitions:
Quality Standards
Refers to the specific criteria or guidelines used to ensure that products, services, or processes meet consistent levels of quality and performance.
Quality Management
The act of overseeing all activities and tasks needed to maintain a desired level of excellence in products, services, or processes.
Probability Density Function
A function that describes the relative likelihood for a random variable to take on a given value.
Total Area
The sum of all areas covered by a particular shape or figure.
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