Use the Following Information to Answer the Question(s) Below

question 33

Multiple Choice

Use the following information to answer the question(s) below.
A spaceship is designed to support animal life for a multiyear voyage to the outer planets of the solar system. Plants will be grown to provide oxygen and to recycle carbon dioxide. Since the spaceship will be too far from the Sun for photosynthesis, an artificial light source will be needed.
-If the power fails and the lights go dark, CO2 levels will ________.

• A) rise as a result of both animal and plant respiration
• B) rise as a result of animal but not plant respiration
• C) remain balanced because plants will continue to fix CO2 in the dark
• D) fall because plants will increase CO2 fixation
• E) fall because plants will cease to respire in the dark

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Definitions:

Variable Cost

Costs that change in proportion to the level of production or sales activity, such as raw material and labor costs.

Fixed Cost

Expenses that do not vary with the level of production or sales activity, such as rent, salaries, and insurance premiums.

Period Cost

Costs that are expensed in the period in which they are incurred, typically including selling and administrative expenses, rather than being included in the cost of goods sold.

Helpline Costs

Expenses incurred in the operation of a support service for customers, such as salaries for help desk staff and telecommunication charges.