If P(A)=0.4P(A) = 0.4P(A)=0.4, P(B)=0.5P(B) = 0.5P(B)=0.5, and P(A∣B)=0.3P(A|B) = 0.3P(A∣B)=0.3, what is P(Ac∣B)P(A^c | B)P(Ac∣B)?
0.6
0.7
0.5
0.4