On Average, How Fast Do the Plates Move on the Earth

question 172

Multiple Choice

On average, how fast do the plates move on the Earth?

• A)about 1 mile per hour
• B)a few centimeters per year
• C)a few kilometers per year
• D)a few millimeters per century

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Definitions:

Mixed Costs

Costs with both variable and fixed characteristics, sometimes called semivariable or semi-fixed costs.

Variable Components

Parts of a cost or expense that change in proportion with changes in the level of business activity or production volume.

Fixed Components

The elements of a business's costs that remain constant regardless of the level of production or sales activity.

Contribution Margin

The amount by which sales income exceeds variable expenses, which is utilized to pay off fixed expenses and create profit.