E8 = E3*norm.cdf((math.log(E3/E4)+(E5+pow(E7,2)/2)*E6)/E7/pow(E6,0.5))-E4*math.exp(-E5*E6)*norm.cdf((math.log(E3/E4)+(E5+pow(E7,2)/2)*E6)/E7/pow(E6,0.5)-E7*pow(E6,0.5 ...