A portfolio is composed of two stocks, A and B$.$ Stock A has a standard deviation of return of $15\%$ while stock B has a standard deviation of return of $13\%.$ The correlation coefficient between the returns on A and B is $0\mathrm{.}47.$ Stock A comprises $32\%$ of the portfolio while stock B comprises the rest. What is the standard deviation of the return on this portfolio?

Enter answer in percents, to two decimal places.