If P(A)=0.6,P(B)=0.4P(A)=0.6, P(B)=0.4P(A)=0.6,P(B)=0.4 and P(A∣B)=0.2P(A|B)=0.2P(A∣B)=0.2, what is P(Ac∣Bc)P(A^c | B^c)P(Ac∣Bc)?
0.6
0.667
0.7
0.8