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_____ is a method of access control that prevents unauthorized users from using an unattended computer to access the network and data.
Sunk Costs
Expenses that have been incurred and cannot be recovered, regardless of future actions.
Competitive Market
A market structure where many buyers and sellers exchange homogeneous products and no single participant has the power to significantly influence the price of the product.
Economic Profits
The difference between the total revenue earned by a business and the total costs (both explicit and implicit) of all inputs used, representing the additional gain over and above the opportunity costs.
Accounting Profits
The difference between total revenue and explicit costs; essentially the bottom line of a company's income statement.
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