Table 2.2 -Krystal Runs a Nail Salon and Needs to Decide How

question 106

Multiple Choice

Table 2.2

-Krystal runs a nail salon and needs to decide how many hours to stay open. Table 2.2 illustrates her marginal costs of staying open for each additional hour. Suppose that Krystal's marginal benefit of staying open per hour is $18. If she is following the marginal principle, how many hours should Krystal stay open?

• A) 3 hours
• B) 4 hours
• C) 6 hours
• D) 7 hours

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Definitions:

Axes

In psychology and psychiatry, it refers to the different dimensions of disorder or disability as classified in diagnostic systems like the DSM-IV, though newer editions have revised this framework.

DSM-IV-TR

The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision; a guide used by clinicians to diagnose mental disorders.

DSM III

The third edition of the Diagnostic and Statistical Manual of Mental Disorders, a standardized classification of mental disorders used by mental health professionals in the U.S.

DSM II

The second edition of the Diagnostic and Statistical Manual of Mental Disorders, a publication for the classification of mental disorders.