Given Only the Following Excerpt of an E-R Model

question 8

Multiple Choice

Given only the following excerpt of an E-R model:

If one instance of ENTITY B must be related to one and only one instance of ENTITY A,and one instance of ENTITY A may be related to many instances of ENTITY B,which of the following should be written on the end of the relationship line next to ENTITY B in the figure above?

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Definitions:

Absolute Advantage

A situation in which a nation, as the result of its previous experience and/or natural endowments, can produce more of a good (with the same amount of resources) than another nation can.

Comparative Advantage

The ability of a country or firm to produce a particular good or service at a lower opportunity cost than its trading partners, leading to specialized production and trade benefits.

Bagels

A dense, chewy, doughnut-shaped bread product, often enjoyed as a breakfast item and can be topped with various ingredients.

Comparative Advantage

The ability of a country or firm to produce a particular good or service at a lower opportunity cost than its competitors.