Boeing (BA) has a beta of 1.7, standard deviation of 31%, and expected alpha of 2%. Intel (INTC) has a beta of 0.8, standard deviation of 17%, and expected alpha of 1%. The standard deviation of the S&P500 is 17%. Use the Index Model. What is the residual variance of the active portion of the optimal risky portfolio? Note: Answer in decimal form, report four decimal places.