The following data for A, B, and C are for your information. Stock ERj Standard Deviation 0.15 0.25 0.16 Systematic Diversifiable 0.13 0.18 0.15 IS 0.08 -0.05 Is 0.07 0.30 0.03 Correlation coefficients are: CORR(A,B)--.20 CORR(A,C) +.35 CORR(B,C) +.60 a) If a client wants to invest equal proportions in only two securities, which two would you recommend? Answer the question without performing any calculations, based simply on your knowledge about portfolio theory. Explain in words. b) Suppose your client already holds a well-diversified portfolio such as the S&P 500 index ETF. Which one stock would you recommend for him? Explain. c) Your client says that B is far too risky with a standard deviation of .25, especially compared to the other two stocks' standard deviations of.15 and.16. How would you address his concern? Carefully explain, assuming that your client holds a well- diversified portfolio