Use the following to answer questions: 
-(Table: Variable Costs for Lawns) Look at the 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; that is, the variable cost of mowing 1 through 10 lawns is $100. 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 many lawns will Alex mow?
Definitions:
Required Rate
The minimum rate of return on an investment that a investor deems necessary to justify the risk of the investment.
Financial Break-even
The juncture where the total expenses match the total income, resulting in no gain or loss.
Sales Level
The quantity or volume of products or services sold or targeted to be sold within a specific period.
Zero NPV
A situation where the net present value (NPV) of an investment is zero, indicating that the investment is expected to break even and not generate any net profit or loss over time.
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