$\backslash$table$[[$Year$,$Potential Real GDP$,$Real GDP$,$Price Level$],[2022,$$$18\mathrm{.}0$ trillion,$$18\mathrm{.}0$ trillion,$150],[2023,18\mathrm{.}5$ trillion,$18\mathrm{.}8$ trillion,$154]]$

Consider the hypothetical information in the table for potential real GDP$,$ real GDP$,$ and the price level in $2022$ and in $2023$ if the Federal Reserve does not use monetary policy. If the Fed wants to keep real GDP at its potential level in $2023,$ it should

A$.$ decrease income taxes.

B$.$ sell Treasury securities$.$

C$.$ buy Treasury securities$.$

D$.$ decrease the required reserve ratio.