All Methods in an Abstract Class Must Also Be Declared

question 1

True/False

All methods in an abstract class must also be declared abstract.

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Definitions:

Total Purchased Cost

The complete expense incurred to acquire goods or services, including the purchase price and any additional charges.

Unit Cost

The cost incurred by a company to produce, store, and sell one unit of a particular product or service.

Employer Contribution

The amount of money that an employer adds to an employee's benefits, such as retirement plans or health insurance.

Employee Contribution

The portion of income, investment, or expense that is provided by an employee, often related to benefits or retirement plans.