Figure 1 shows the aggregate demand (AD) and short-run aggregate supply (SRAS) curves for an economy.
Which one of the following combinations of events is most likely to cause the curves to shift from AD$_1$ to AD$_2$ and from SRAS$_1$ to SRAS$_2$?

1 )
A higher rate of savings and faster labour productivity growth
Faster economic growth abroad and lower world commodity prices
3 )
Higher money wages and more household consumption
4 )
Lower interest rates and a higher rate of indirect taxes
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