(b) The following table relates to Stock ABC's return: Demand for Company Probability of this demand Rate of return if this ABC's products occurring demand occurs Weak 0.15 (50%) Below average 0.175 (5%) Average 0.35 15% Above average 0.175 26% Strong 0.15 60% 1.0 Required: Calculate Stock ABC's expected return, standard deviation, and coefficient of variation. (10 marks)