Q65. A ray of light coming from the point $P ( 1,2 )$ gets reflected from the point $Q$ on the $x$-axis and then passes through the point $R ( 4,3 )$. If the point $S ( h , k )$ is such that PQRS is a parallelogram, then $h k ^ { 2 }$ is equal to :\\
(1) 70\\
(2) 80\\
(3) 60\\
(4) 90