Question 13 (1 point) Saved A stock has the following prices in 5 consecutive months, starting from the earliest to the latest: $47, $44, $53, $50, and $48. What is standard deviation of its monthly returns? 12.94% 13.26% 13.59% 13.91% 14.23% Question 12 (1 point) A portfolio consists of four assets in equal weights. Asset 1 has a beta of 1.30. Asset 2 has a beta of 1.00. Asset 3 has a beta of 1.80. Asset 4 has a beta of 1.50. If the portfolio's required return is 9.50% and the risk-free rate is 4.40%, what is Asset 2's required return? 7.84% 8.04% 8.24% 8.45% 8.65%