Two events AAA and BBB satisfy P(A∣B)=0.7P(A|B) = 0.7P(A∣B)=0.7 and P(B∣A)=0.4P(B|A) = 0.4P(B∣A)=0.4. If P(A)=0.5P(A) = 0.5P(A)=0.5, what is P(A∪B)P(A \cup B)P(A∪B)?
0.7
0.8
0.9
0.6