Suppose securities A, B, and C have the following expected return and risk. Stock Expected return Risk A 8% 6% B 7% 9% C 13% 9% 16. SHOW YOUR WORK & WRITE YOUR ANSWER CHOICE HERE: A = _________ B = _________ C = _________ What is the coefficient of variation for stocks A, B, and C? 17. WRITE YOUR ANSWER CHOICE HERE _________ Which stock is mean-variance dominant? a. Stock A b. Stock B c. Stock C d. none of the above e. all of the above