Use the following to answer question: 
-(Table: Total Cost and Output) Use Table: Total Cost and Output,which describes Sergei's total costs for his perfectly competitive all-natural ice cream firm.If the market price of a tub of ice cream is $67.50,how much is Sergei's profit at the profit-maximizing output?
Definitions:
Lowballing Technique
A persuasion and sales strategy where an initially lower price is presented to get agreement, only to increase it later on.
Foot-In-The Door Technique
A compliance tactic that involves getting a person to agree to a large request by first setting them up by having them agree to a modest request.
Social Proof
The psychological phenomenon where people assume the actions of others in an attempt to reflect correct behavior for a given situation.
Social Comparison
The method in which people assess their own skills, accomplishments, and situations relative to other individuals.
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