The Vertical Distance Between the Supply Curves for Neurosurgeons and the Supply

The vertical distance between the supply curves for neurosurgeons and the supply curve for fast-food servers

A) is the difference in on-the-job training.
B) is the difference in the value of marginal product of the two professions.
C) represents the difference in the demand for these two occupations.
D) equals the difference in the equilibrium wages paid these two professions.
E) is the compensation that neurosurgeons require for the cost of acquiring this skill.