3. The diagram below relates to portfolio risk. Refer to the diagram as needed as you answer questions a & b below. 403 N Diver 230 10 1.000 20 Humberto portfolio a. What are the implications of this graph to you as an investor? Mention diversifiable and non- diversifiable risk in your response, illustrating that you understand these two types of risk. (3 points) b. What is the relevant measure of risk for investors who have around 40 randomly selected stocks in their portfolios. (2 points)