In Comparing a Job That Requires a High Level of Skill

In comparing a job that requires a high level of skill to one for a job that requires a low skill level,the high-skill job

A) will always command a higher wage than the low-skill job
B) can command a higher wage only if there is sufficient demand for the output produced by the job
C) will command a higher wage whenever the nonmonetary characteristics of the two jobs are equivalent
D) will command a higher wage whenever there is a relatively low supply of labor with the required skill level
E) will command a higher wage whenever the two labor markets are perfectly competitive