If P(A)=0.4P(A) = 0.4P(A)=0.4, P(B)=0.2P(B) = 0.2P(B)=0.2, and P(A∣B)=0.5P(A|B) = 0.5P(A∣B)=0.5, what is P(B∣A)P(B|A)P(B∣A)?
0.10.10.1
0.250.250.25
0.50.50.5
0.20.20.2