In this graph, the aggregate expenditure curve shifts from AE to AE2 when there is: * OA. An increase in taxes. B. A decrease in the level of investments. O C. An increase in net exports. D. A decrease in government spending. E. A decrease in autonomous consumption. Aggregate Expenditures 500 400 300 45 AE AE: 300 400 500 Real GDP Billions of Dollars