____ Variables Are Accessible Throughout a Ruby Program and Have

question 35

Multiple Choice

____ variables are accessible throughout a Ruby program and have an unlimited scope. Every class in the program is allowed to access them.

• A) Local
• B) Global
• C) Instance
• D) Class

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Definitions:

Marginal Revenue

The increase in revenue from the sale of one more unit of a product or service.

Natural Monopoly

A market situation where a single supplier can provide a good or service more efficiently than any potential competitor, often due to high initial setup costs.

Local Phone Company

A telecommunications company that provides phone services primarily within a local or regional area.

Making a Profit

The financial gain realized when the revenue gained from a business activity exceeds the costs, expenses, and taxes involved in sustaining the activity.