You have a porffolio with a standard deviation of $30\%$ and an expected return of $17\%.$ You are considering adding one of the two stocks in the following table: $.$ If after adding the stock you will have $30\%$ of your money in the new stock and $70\%$ of your money in your existing portfolio, which one should you add?

Standard deviation of the portfolio with stock $A$ is

$\%($Round to two decimal places.$)$

Data table

$($Click on the following icodn $$ in order to copy its contents into a spreadsheet.$)$

$\backslash$table$[[,$Expected Return,Standard Deviation,$\backslash$table$[[$Correlation with Your$],[$Portfolio$\text{'}$s Returns$]]],[$Stock A$,15\%,23\%,0\mathrm{.}2],[$Stock B$,15\%,20\%,0\mathrm{.}7]]$