Given the data below, what is the standard deviation of returns for Security B$?$ Round your answer to three decimal places.

Historical Prices & Cash Flows

Time t$=0$ t$=1$ t$=2$ t$=3$

PriceA $101\mathrm{.}000102\mathrm{.}000100\mathrm{.}500100\mathrm{.}000$

InterestA $2\mathrm{.}2502\mathrm{.}2502\mathrm{.}250$

RA $3\mathrm{.}218\%0\mathrm{.}735\%1\mathrm{.}741\%$

PriceB $125\mathrm{.}750130\mathrm{.}000128\mathrm{.}000131\mathrm{.}000$

DividendB $10\mathrm{.}05010\mathrm{.}05010\mathrm{.}050$

RB $11\mathrm{.}372\%6\mathrm{.}192\%10\mathrm{.}195\%$