Answer:
The correct options are 2 and 3.
Step-by-step explanation:
When there is an extreme increase in the aggregate demand, and these increases are not balanced by an equivalent or any rise in aggregate supply, demand-pull inflation would occur.
The effect of demand-pull inflation is a rise in inflation and a fall in the unemployment rate. Thus, option 2 is correct.
An excessive increase in aggregate demand for goods would also result in a sharp increase in the costs of raw materials or energy inputs, thus, option 3 is also correct.
Thus, the correct options are 2 and 3.