Assigning a Subclass Reference to a Superclass Variable Is Safe

question 32

Multiple Choice

Assigning a subclass reference to a superclass variable is safe ________.

• A) because the subclass object has an object of its superclass.
• B) because the subclass object is an object of its superclass.
• C) only when the superclass is abstract.
• D) only when the superclass is concrete.

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Definitions:

Standard Hours

The predetermined amount of time expected to complete a task or produce a unit of product under normal conditions.

Total Standard Cost

The aggregated cost of direct materials, direct labor, and manufacturing overhead used in producing a product under standard costing.

Standard Cost

The planned cost for a unit of product or service, serving as a benchmark for evaluating performance and setting budgets.

Net Operating Income

The profit a company makes after deducting its operating expenses, without accounting for taxes and interest.