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 at the profit-maximizing output?
Definitions:
2001
A year notable for several global events, including the September 11 terrorist attacks in the United States, which had a profound impact on the world.
Heart Disease
A range of conditions that affect the heart, including coronary artery disease, heart rhythm problems (arrhythmias), and heart defects present at birth, among others.
Life Expectancy
The average number of years an individual or population is expected to live, based on statistical analysis.
Sierra Leone
A country in West Africa, known for its rich history, diverse culture, and as the scene of a brutal civil war in the 1990s.
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