Statement I: at Relatively High Wage Rates the Substitution Effect

Statement I: At relatively high wage rates the substitution effect outweighs the income effect.
Statement II: The relatively high earnings of college graduates,compared to the relatively low earnings of high school graduates,can be explained entirely by the education that was obtained in college.

A) Statement I is true and statement II is false.
B) Statement II is true and statement I is false.
C) Both statements are true.
D) Both statements are false.