1. Assume an economy is at a full-employment equilibrium. Then if Congress passes and the President signs into law $1 trillion in new infrastructure spending, would this, ceteris paribus, be reflected as a change in aggregate demand or a change in aggregate supply? Explain. Be sure to clearly identify a textbook factor of AD or AS that is causing this change.Would this change be an increase or decrease? Explain.Would this change result in the economy moving to a new short-run, below or above full-employment equilibrium?Explain.What do you predict will happen in the short-run to the equilibrium price level, the level of Real GDP and employment in the economy?Explain using textbook concepts and language.