Which Statement(s) About the Effects of IQ Score and Years

Which statement(s) about the effects of IQ score and years of education on amount of money earned is TRUE? Statement A: Amongst people with comparable IQ scores, those who complete more years of education earn more money.
Statement B: Amongst people with the same level of education, people with higher IQ scores earn more money.

A) statement A only
B) statement B only
C) both statement A and statement B
D) neither statement A nor statement B