What comes closest to Stock A's expected return and Stock B's standard deviation? Stock A's expected return is 10% and Stock B's standard deviation is 15% Stock A's expected return is 10% and Stock B's standard deviation is 2% Stock A's expected return is 10% and Stock B's standard deviation is 0% Stock A's expected return is 15% and Stock B's standard deviation is 15% Stock A's expected return is 15% and Stock B's standard deviation is 0% What can be said about the covariance between Stock A and Stock B? (This question has only 3 possible answer choices - no choice D and no choice E) The covariance will be equal to zero or very close to zero The covariance will be greater than zero The covariance will be less than zero