Question 22
Let $ABCD$ be a rhombus with $AC = 16$ and $BD = 30.$ Let $N$ be a point on $\overline{AB},$ and let $P$ and $Q$ be the feet of the perpendiculars from $N$ to $\overline{AC}$ and $\overline{BD},$ respectively. Which of the following is closest to the minimum possible value of $PQ?$

