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Pulsars can be created by neutron stars or black holes.
Break-even
The point at which total costs and total revenue are equal, resulting in no net loss or gain for a business.
Unit Variable Costs
The costs associated with producing one additional unit of a product, including materials, labor, and other expenses that vary with production level.
Rent
The payment made to a landlord for the use of property, such as an apartment or commercial space, for a specified period.
Utilities
Essential services provided to the public, including electricity, gas, water, and sewage systems.
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