Use the Following Information to Answer the Questions Below

question 55

Multiple Choice

Use the following information to answer the questions below.
You are investigating different live cells using a light microscope. The first cells you observe are part of a larger organism. They have a clear area in the middle, a defined shape, and you can see many greenish ovals pressed up along the outer edges.
-The clear area in the middle is most likely the

• A)result of poor use of the microscope.
• B)result of incomplete staining.
• C)central vacuole.
• D)nucleus.
• E)plastid.

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Definitions:

Contribution Margin

The amount by which a product's sales price exceeds its variable costs, used to cover fixed costs and generate profit.

Variable Selling Expenses

Costs that fluctuate with the level of sales activity, such as commissions and shipping fees.

Contribution Margin

The amount remaining from sales revenue after variable expenses are subtracted, used to cover fixed costs and generate profit.

Variable Administrative Expenses

Costs that change in proportion to the activity of a business.