explain please

D Question 3 1 pts In the AS-AD model presented in lectures X: an increase in the central bank's price target will shift the Short-Run Aggregate Supply (SRAS) curve to the left; and Y: an export boom will shift the Aggregate Demand (AD) curve to the right. X is false and Y is true O X is true and Y is false X is false and Y is false O X is true and Y is true Question 4 1 pts In the AS AD model employed in lectures an increase in the expected price level will tend to lead to a higher price level, lower interest rate and higher level of real income a higher money wage, higher interest rate and lower level of real income O a higher money wage, lower interest rate and higher level of real income O a lower price level, lower interest rate and higher realincome