Exhibit 30-4 ​

question 140

Multiple Choice

Exhibit 30-4
​

-Refer to Exhibit 30-4. If a negative externality exists, then the socially optimal output is

• A)Q₁.
• B)Q₂.
• C)Q₁ - Q₂.
• D)Q₂ - Q₁.

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Definitions:

Literal

A fixed value in source code that represents a number, character, or string, typed directly into the code.

Constant

A value that cannot be altered by the program during normal execution, providing a read-only data type.

Escape Sequence

A series of characters in a string that represents a special character, typically preceded by a backslash (\), used to perform operations like newline or tab.

Ampersand

A symbol (&) used in programming languages for various purposes, such as referring to the address of a variable in C or concatenating strings in other languages.