1 For the following questions, select the key term that best matches with the definition provided. - A curve showing the negative relationship between the price level and the quantities of real goods and services demanded during a given period of time - A curve showing the positive relationship between the quantities of real goods and services supplied by businesses and the price level during a given period of time - The after-tax income of individuals available for spending on goods and services - Increasing government expenditures or reducing taxes to cause economic activity to expand and increase the nation's GDP A. Aggregate supply B. Disposable personal income C. Aggregate demand D. Expansionary fiscal policy