\textbf{183.} In the circuit below, an ideal voltmeter reads 14 V. What is the potential difference across resistor $R$?
\textit{[Figure: Circuit with $\varepsilon_1 = 10\,\text{V}$, $r_1 = 2\,\Omega$, voltmeter $\text{V}$, resistor $R$, $r_2 = 1\,\Omega$, $\varepsilon_2 = 18\,\text{V}$]}
\begin{itemize}
\item[(1)] $4$
\item[(2)] $3$
\item[(3)] $2$
\item[(4)] $1$
\end{itemize}
\vspace{0.5em}