EAGLERUN TRUCKING DISPATCHER Observe the ER Diagram for the Eaglerun Trucking

question 12

Multiple Choice

EAGLERUN TRUCKING DISPATCHER
Observe the ER diagram for the Eaglerun Trucking
Dispatcher:


This ER diagram will be used for the following questions citing Eaglerun Trucking Dispatcher ER Diagram.


-How many foreign keys in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram serve as a component of a primary key?

• A)0
• B)1
• C)2

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Definitions:

Variable Costs

Expenses that change in proportion to the activity of a business, such as the cost of raw materials used in production.

Unit Product Cost

The cost associated with producing a single unit of a product, including all direct and indirect costs.

Contribution Margin

Contribution Margin represents the portion of sales revenue that is not consumed by variable costs and contributes to covering fixed costs.

Machine Minutes

A measurement of time expressing the operation of a machine in minutes.