Question $6($Topic $8)$

You have a two$-$stock portfolio. One stock has an expected return of $12\%$ and a standard deviation of $24\%.$ The other has an expected return of $8\%$ and a standard deviation of $20\%.$ You invested in these stocks equally of your investment went toward eac of the two stocks$).$ If the two stocks are perfectly positively correlated, which one of the following is the most feasible standard deviati of the portfolio?

$23\%$

$22\%$

$21\%$

not enough information to determine