$\backslash$table$[[$Year$,$Potential Real GDP$,$Real GDP$,$Price Level$],[2024,$$$18\mathrm{.}0$ trillion,$$18\mathrm{.}0$ trillion,$150],[2025,18\mathrm{.}5$ trillion,$18\mathrm{.}8$ trillion,$154]]$

Consider the hypothetical information in the table for potential real GDP$,$ real GDP$,$ and the price level in $2024$ and in $2025$ if the Federal Reserve does not use monetary policy. If the Fed uses monetary policy successfully to keep real GDP at its potential level in $2025,$ which of the following will be lower than if the Fed had taken no action?

A$.$ potential GDP and the inflation rate

B$.$ real GDP and potential GDP

C$.$ real GDP and the inflation rate

D$.$ real GDP and the unemployment rate