2) Events like the Industrial Revolution changed the long-run productive capacity of many economies. LAS (Long-run Aggregate Supply) and SAS (Short-run Aggregate Supply) in the AD-AS model were greatly affected by changes in production and technology, such as the movement towards production lines that was popularised in the Industrial Revolution. a) Why is the LAS curve vertical? Why does the price level not affect LAS?b) Why does the SAS curve slope upwards from left to right? Explain this in terms of the price level and wages in the economy. c) In the Industrial Revolution, the long-run productive capacity of many economies increased. How does this affect LAS and SAS? Which direction do these curves move in? Draw the effects of the Industrial Revolution on the LAS and SAS curves in an AD-AS diagram, labelling the shifts to the curves