16 and 17 please

15. What's the standard deviation of the return of the portfolio with 20% invested in stock fund and the rest in bond fund? (HW4) A) -0.5 B) 0 C) 0.25 D) 0.2037 Investment opportunity set Ein 0.150 Portfolio A srock 0.130 Lined 0.110 Portfolio B 0.090 portfolio Y Dondt Linec 0.070 0.050 0.0000 0.1000 0.2000 0.3000 0.4000 stddev Use the graph above for the following two questions: 16. According to the graph above, "lined" represents the A) efficient frontier B) portfolios constructed using the T-bill fund and optimal risky portfolio C) only one of the above is correct D) both A and B are correct 17. If you are very risk averse, which of the following portfolios you are mostly likely to choose? A) portfolio A B) portfolio B C) bond fund D) portfolio Y