If P(A)=0.5P(A) = 0.5P(A)=0.5 and P(B∣A)=0.4P(B|A) = 0.4P(B∣A)=0.4, what is P(A∩B)P(A \cap B)P(A∩B)?
0.90.90.9
0.20.20.2
0.10.10.1
0.080.080.08