Which Sentence Is Punctuated Correctly

question 20

Multiple Choice

Which sentence is punctuated correctly?

• A)A number of biotech firms are represented, Amgen, Genentech, Genzyme, and ImClone Systems.
• B)A number of biotech firms are represented Amgen, Genentech, Genzyme, and ImClone Systems.
• C)A number of biotech firms are represented: Amgen, Genentech, Genzyme, and ImClone Systems.

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Definitions:

Ideal Cost-Of-Living Index

Cost of attaining a given level of utility at current prices relative to the cost of attaining the same utility at base-year prices.

Paasche Index

An economic measure that calculates the change in the cost of purchasing a specified basket of goods and services in a given year compared to a base year, using current-period weighting.

Nominal Income

The amount of money earned in current dollars, not adjusted for inflation.

Revealed Preference

A theory that deduces preferences of consumers by observing their choices and behaviors rather than their stated preferences.