\textbf{182-} In the circuit below, by increasing resistance $R_2$, how do the current indicated by ammeter A and the potential difference indicated by voltmeter V change? (in order, from right to left)
\textit{[Figure: Circuit with EMF source $\varepsilon$, internal resistance $r$, resistors $R_1$, $R_2$, $R_3$, voltmeter V, and ammeter A]}
(1) decrease --- decrease
(2) decrease --- increase
(3) increase --- increase
(4) increase --- decrease