Consider the following information on the expected return and standard deviations of stock A and B, as well as the portfolio weights for the two stocks in a two-stock portfolio.

	Stock A	Stock B
Expected Return	20%	50%
Standard Deviation	30%	60%
Portfolio Weight	60%	40%

The correlation coefficient between the returns on the two stocks is 0.

What is the standard deviation of the return of this portfolio?

answer in percentage