If events AAA and BBB are such that P(A)=0.4,P(B)=0.5,P(A)=0.4, P(B)=0.5,P(A)=0.4,P(B)=0.5, and P(A∩B)=0.2P(A \cap B)=0.2P(A∩B)=0.2, what is P(A∣A∪B)P(A | A \cup B)P(A∣A∪B)?
0.4/0.7
0.2/0.7
0.4/0.9
0.5/0.7