Use the following three statements to answer this question:

I. The CAPM points out that rational investors should be compensated for unique risk.

II. The CAPM implies that non-systematic risk is the appropriate measure of risk to determine the risk premium required by investors for holding a risky security.

III. The expected portfolio return from non-systematic risk is zero.

I, II are correct, III is incorrect.

I, III are incorrect, II is correct.

I, II and III are correct.

I and II are incorrect, III is correct.