Assume an economy operates in the intermediate range of its aggregate supply curve. For each of the following changes in conditions, state the direction of the effect on:aggregate demand, aggregate supply, price level, real GDP. (a) An increase in government expenditure in infrastructure Click or tap here to enter text. (b) A severe recession occurs in a country which has been a major importer of the nation's exports. Click or tap here to enter text. (c) The federal government reduces business taxes Click or tap here to enter text.