Drew can design a risky portfolio based on two risky assets, Origami and Gamiori. Origami has an expected return of 13% and a standard deviation of 20%. Gamiori has an expected return of 6% and a standard deviation of 10%. The correlation coefficient between the returns of Origami and Gamiori is 0.30. The risk-free rate of return is 2%. Among all possible portfolios constructed from Origami and Gamiori, what is the lowest standard deviation?

A. 9.79%

B. 10.53%

C. 6.74%

D. 89.47%