Scenario Indicator Type Monetary Policy Type Over 4 months, oil prices decrease by 11% Over 4 months, the Producer Price Index increases by 4% Over 4 months, national income increases by 4% Over 4 months, Gross Domestic Product decreases by 6% The following graph shows the real GDP and manufacturing and trade sales over time, in a hypothetical economy. (2 Business Cycle Real GDP Mfg and trade sales REAL GOP (Dollars) TIME According to the graph, manufacturing and trade sales are indicator because the peaks and troughs from the manufacturing and trade sales curve cu peaks and troughs in real GDP. Scenario Indicator Type Monetary Policy Type Over 4 months, oil prices decrease by 11% Over 4 months, the Producer Price Index increases by 4% Over 4 months, national income increases by 4% Over 4 months, Gross Domestic Product decreases by 6% The following graph shows the real GDP and manufacturing and trade sales over time, in a hypothetical economy. (2 Business Cycle Real GDP Mfg and trade sales REAL GOP (Dollars) TIME According to the graph, manufacturing and trade sales are indicator because the peaks and troughs from the manufacturing and trade sales curve cu peaks and troughs in real GDP