Given P(A)=0.4P(A) = 0.4P(A)=0.4, P(B)=0.5P(B) = 0.5P(B)=0.5, and P(A∪B)=0.7P(A \cup B) = 0.7P(A∪B)=0.7, calculate P(A∣B)P(A|B)P(A∣B).
0.3
0.4
0.2
0.5