Use the following to answer questions: 
-(Table: Total Cost and Output) Look at the 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 $50, what quantity will Sergei produce to maximize profit?
Definitions:
Sales Revenue
The income received by a company from its sales of goods or the provision of services, before any expenses are deducted.
Earnings Before Interest And Taxes
A financial performance measure that calculates a company's profitability before deductions for interest and taxes.
Operating Income
The amount of profit realized from a business's operations after deducting operating expenses such as wages, depreciation, and cost of goods sold.
Operating Leverage
A measure of how revenue growth translates into growth in operating income, indicating the proportion of fixed costs in a company's cost structure.
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