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, find P(Ac∣Bc)P(A^c | B^c)P(Ac∣Bc).
46\frac{4}{6}64
12\frac{1}{2}21
23\frac{2}{3}32
45\frac{4}{5}54