The Aggregate Demand-Aggregate Supply Model Practice Test

Based on the AD–AS model shown, the economy moves from $E_1$ to $E_2$ after the central bank purchases government securities, increasing the money supply and shifting aggregate demand from $AD_1$ to $AD_2$ in the short run. Which statement is correct?

Based on the AD–AS model shown, government increases purchases of goods and services, shifting aggregate demand from $AD_1$ to $AD_2$ in the short run. Which statement correctly identifies the type of change and its effects?