Use the Following to Answer Question

question 51

Multiple Choice

Use the following to answer question:
-(Table: Variable Costs for Lawns) Use Table: Variable Costs for Lawns.During the summer,Alex runs a lawn-mowing service,and lawn-mowing is a perfectly competitive industry.Assume that costs are constant in each interval;so,for example,the marginal cost of mowing each of the lawns from 1 through 10 is $10.Also assume that he can only mow the quantities of lawn given in the table (and not numbers in between) .His only fixed cost is $1,000 for the mower.His variable costs include fuel,his time,and mower parts.If the price for mowing a lawn is $70,how much is Alex's profit per unit at the profit-maximizing output?

• A)-$10
• B)$10
• C)$34
• D)$14

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Definitions:

Epinephrine Levels

The concentration of epinephrine, a hormone and neurotransmitter also known as adrenaline, significant for the body's fight-or-flight response.

NK Cell Count

The quantity of natural killer cells, a type of white blood cell that plays a crucial role in the body’s immune response by attacking virus-infected cells and tumors.

Cortisol Levels

The concentration of cortisol, a stress hormone produced by the adrenal glands, which can indicate an individual's response to stress.

Lymphocytes

A type of white blood cell that plays a significant role in the body's immune system, fighting infections and diseases.