Use the Following to Answer Question

question 47

Multiple Choice

Use the following to answer question:
-(Table: Variable Costs for Lots) Use Table: Variable Costs for Lots.During the winter,Alexa runs a snow-clearing service in a perfectly competitive industry.Assume that costs are constant in each interval;so,for example,the marginal cost of clearing each of the lots from 1 through 10 is $20.Also assume that she can only plow the quantities of the lots given in the table (and not numbers in between) .Her only fixed cost is $1,000 for a snowplow.Her variable costs include fuel,her time,and hot coffee.If the price to clear a lot is $60,what is Alexa's profit per unit at the optimal output?

• A)$60
• B)$42
• C)$35
• D)$18

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Definitions:

Marginal Revenue

The supplementary income produced through the sale of an extra unit of a product or service.

Equilibrium Price

The price at which the quantity of goods suppliers are willing to produce equals the quantity of goods consumers are willing to buy.

Normal Profit

The minimum level of profit necessary for a company to remain competitive in the market, covering opportunity costs but not generating economic profit.

Market Equilibrium

The state in which market supply and demand balance each other, and, as a result, prices become stable.