In monetarist theory, what is affected in the long run when the money supply changes?
- Athe level of output: no; the price level: no; the level of unemployment: yes
- Bthe level of output: no; the price level: yes; the level of unemployment: no
- Cthe level of output: yes; the price level: no; the level of unemployment: yes
- Dthe level of output: yes; the price level: yes; the level of unemployment: no