A Cost-Benefit Analysis of the Five-Factor Model Dimension of Conscientiousness

A cost-benefit analysis of the Five-Factor Model dimension of Conscientiousness suggests that:

A) A benefit is that it is associated with a longer life expectancy
B) A cost is that it is associated with a lower likelihood of reproductive success
C) A benefit is that such individuals are at less risk for certain eating disorders and obsessive-compulsive personality disorder
D) a & b
E) b & c