The ________ Specifies That an Entity Instance of the Supertype

question 99

Short Answer

The ________ specifies that an entity instance of the supertype is allowed not to belong to any subtype.

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Definitions:

Sunk Cost

A cost that has already been incurred and cannot be recovered.

Differential Cost

The difference in cost between two alternative decisions or scenarios, important in the process of making financial decisions.

Book Value

The net value of a company's assets less its liabilities and preferred stock, often used to estimate the company's worth.

Yearly Expense

The total amount of money spent by a business or individual over the course of a year, including operational, administrative, and living expenses.