Let A and B be two events .Such that $P(A)=\Large\frac{3}{8}$,$P(B)=\Large \frac{5}{8}$ and $P(A\cup B)=\Large\frac{3}{4}$.Then P(A|B).P(A|B) is equal to

Question

$\begin{array}{1 1}(A)\;\frac{2}{5}\\(B)\;\frac{3}{8}\\(C)\;\frac{3}{20}\\(D)\;\frac{6}{25}\end{array}$