Use the following three statements to answer this question: I. When and we know the return on Security A, we can predict the return on Security B with certainty. II. Generally, security returns display positive correlations with one another but they are less than one, because all securities tend not to follow the movements of the overall market. III. Any value of correlation less than +1 provides a possibility of diversification.

Select one:

a. I is incorrect, II is correct, III is correct.

b. I and II are correct, III is incorrect.

c. I is correct, II is incorrect, III is correct.

d. I and II are incorrect, III is incorrect.