If P(A)=0.5P(A) = 0.5P(A)=0.5 and P(B)=0.4P(B) = 0.4P(B)=0.4 and they are mutually exclusive, what is P(Ac∣B)P(A^c | B)P(Ac∣B)?
1
0.5
0.4
0