Draw the Network Representation of This LP Model $\quad$ $X_{41}$

Essay

Draw the network representation of this LP model. What type of problem is it?
MAX $\quad$ $X_{41}$
Subject to:
$\begin{array}{l}\mathrm{X}_{41}-\mathrm{X}_{12}-\mathrm{X}_{13}=0 \\\mathrm{X}_{12}-\mathrm{X}_{24}=0 \\\mathrm{X}_{13}-\mathrm{X}_{34}=0 \\\mathrm{X}_{24}+\mathrm{X}_{34}-\mathrm{X}_{41}=0 \\0 \leq \mathrm{X}_{12} \leq 5 \\0 \leq X_{13} \leq 4 \\0 \leq X_{24} \leq 3 \\0 \leq X_{34} \leq 2 \\0 \leq X_{41} \leq \infty\end{array}$