On the following graph, the black line shows potential real GDP and the blue line shows actual real GDP for a hypothetical country from 1990 to 2010. Use the green quadrilateral (triangle symbols) to shade the area between actual and potential real GDP that represents the positive GDP gap. Then use the purple quadrilateral (diamond symbols) to shade the area between actual and potential real GDP that represents the negative GDP gap. ? 6 GDP (Billions of 2000 dollars) Actual Real GDP Potential Real GDP 1950 1994 1990 2002 2006 2010 YEAR Positive GDP Gap Negative GDP Gap