Let AAA and BBB be two events such that P(A)=14P(A) = \frac{1}{4}P(A)=41, P(B)=35P(B) = \frac{3}{5}P(B)=53, and P(A∪B)=710P(A \cup B) = \frac{7}{10}P(A∪B)=107. What is the probability P(Ac∣B)P(A^c | B)P(Ac∣B)?
16\frac{1}{6}61
14\frac{1}{4}41
13\frac{1}{3}31
23\frac{2}{3}32