If P(A)=0.5,P(B)=0.2P(A)=0.5, P(B)=0.2P(A)=0.5,P(B)=0.2, and P(A∣B)=0.2P(A|B)=0.2P(A∣B)=0.2, what is P(B∣A)P(B|A)P(B∣A)?
0.08
0.1
0.04
0.2