What is the annualized standard deviation of the portfolio for the year? Date Jan Feb Mar Apr May June July Aug Sept Oct ! Nov 1 Dec Portfolio 1.90% 3.10% -1.40% 0.02% -2.70% 0.80% 1.10% 2.10% -2.30% 3.10% 1.90% 0.80% Benchmark 1.80% 2.90% -1.20% -0.08% -2.20% 0.40% 0.80% 1.90% -2.10% 2.80% 1.80% 0.80% Select one: O a. 1.95% O b. 0.46% O c. 6.77%