If P(A∣B)=0.5P(A|B) = 0.5P(A∣B)=0.5, P(B∣A)=0.2P(B|A) = 0.2P(B∣A)=0.2, and P(A)=0.3P(A)=0.3P(A)=0.3, what is P(B)P(B)P(B)?
0.12
0.06
0.15
0.03