If P(A)=0.2,P(B)=0.5P(A) = 0.2, P(B) = 0.5P(A)=0.2,P(B)=0.5, and P(A∪B)=0.6P(A \cup B) = 0.6P(A∪B)=0.6, what is the probability P(A∣A∪B)P(A | A \cup B)P(A∣A∪B)?
1/3
1/2
2/3
1/4