Your portfolio has two investments with a correlation of $0\mathrm{.}34.$

Investment #$1$ is $35\%$ of your portfolio and has an expected value $=19\%$ and a standard deviation $=7\%.$

Investment #$2$ has an expected value $=14\%$ and a standard deviation $=28\%.$

What is the standard deviation of your portfolio? $[$Note: your answer should be to $4$ decimal places$]$