\(\begin{array}{c|c} & N \\ \hline
\text{Stock Jan 1} & 2600 \\ \hline \text{Purchases} & 4000 \\ \hline \text{Carriage inwards} & 500 \\ \hline \text{Sales} & 9000 \\ \hline \text{Carriage outwards} & 500
\end{array}\)
Determine the net profit