The table below shows the returns of two stocks, A and B, over a period of 6 months. If you invest 80% of your capital in Stock A, and the rest in Stock B, what would be the standard deviation of the returns of your portfolio, over the same period? Month Stock A Stock B Jan 1.0% 1.7% Feb 1.2% -0.8% Mar 0.5% -0.6% Apr 0.2% 2.2% May 1.1% -0.8% June -0.2% 1.6% Enter your answer as a percentage, rounded to 2 decimals, and without the percentage (%) sign. For example, if your answer is 0.123456, that's equivalent to 12.35%, so enter 12.35