(Zillow, 11. Using the following return data to determine a single stock investment, which one technology stock Yelp, or Groupon) would be preferred by an average risk-averse investor and why? Zillow Yelp Groupon 2 Date Adj Close Return AdiCloseReturnAdidoseReturn - . - -4.6% -5.8% 4.4% -0.6% -4.2% 7.4% -5.0% 18.2% -9.6% 3.7% 4.28-19.1% 1.4% 5.64 5.1 5.29 41.04 40.92 44.46 47.67 53.80 48.49 56.15 -0.6% -0.3% 8.7% 7.2% 12.9% -9.9% 15.8% 44.55 41.96 43.82 43.56 41.75 44.85 42.59 4.34 4.64 4.64 6.9% 0.0% 37 38 Mean 39 Std Deviation 40 4 1 3.0% 21.1% 2.0% 13.3% 2.7% 12. Suppose the risk-free rate is 5% and the market portfolio has an expected return of 12% and a standard deviation of 16%. Merck Corporation stock has a beta 0.68. What is Merck's expected return? 13. Suppose the risk-free rate is 5% and the market portfolio has an expected return of 12% and a standard deviation of 16%. Merck Corporation stock has a beta 0.68. Pfizer Corporation has a beta of 1.00, what is Pfizer's expected Coefficient of Variation