A fisherman caught 16 kg of horse mackerel, 20 kg of whiting, and 50 kg of mackerel. Later, he determined the kg selling prices of these fish as follows:
\begin{itemize}
\item horse mackerel is 25\% more expensive than whiting, and whiting is 25\% more expensive than mackerel
\end{itemize}
The fisherman sold all of these fish at the prices he determined and earned 1600 TL in revenue.
Accordingly, what is the kg selling price of whiting in TL?\\
A) 15\\
B) 20\\
C) 24\\
D) 30\\
E) 32