Which of the events reported in the news clip would change aggregate demand and which would change the quantity of real GDP demanded? Provide a graphical illustration of the distinction.

Consumer sentiment was up in August, helped by merchant discounts, especially from auto dealerships who received incentives from automakers Honda, General Motors, and Toyota to lower prices. But consumers are worried about the future. They are worried about tax changes and government budget cuts that are on the horizon. Capital spending fell somewhat.