Which Statement Is True When a Superclass Has Protected Instance

question 10

Multiple Choice

Which statement is true when a superclass has protected instance variables?

• A) A subclass object can assign an invalid value to the superclass's instance variables, thus leaving an object in an inconsistent state.
• B) Subclass methods are more likely to be written so that they depend on the superclass's data implementation.
• C) We may need to modify all the subclasses of the superclass if the superclass implementation changes.
• D) All of the above.

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Definitions:

Contribution Margin Ratio

A financial metric that measures the portion of revenue remaining after variable costs are subtracted, expressed as a percentage of sales.

Budgeted Sales Revenue

Projected income from sales activities over a specific period, as estimated during budgeting.

Break-Even Sales Revenue

The amount of revenue needed to cover all fixed and variable costs of a business.

Safety Margin

The difference between the actual performance or capacity of a system and its expected or required performance, serving as a buffer for uncertainty.