TB MC Qu. 11-07 Refer to the diagrams.... 2 graphs. The first graph shows a falling line labeled A and the second graph shows a horizontal line labeled B.The first graph plots expected rate of return, r, and real interest rate, I in percentage versus investment, in billions of dollars. A falling line labeled A begins at a point on the top of the vertical axis and ends at a point on the bottom right. The second graph plots investment, in billions of dollars versus real domestic product, G D P, billions of dollars. A horizontal line labeled B begins at a point on the vertical axis and ends at the right center. Refer to the diagrams. Curve A Multiple Choice is an investment schedule, and curve B is a consumption of fixed capital schedule. is an investment demand curve, and curve B is an investment schedule. and curve B are totally unrelated. shifts to the left when curve B shifts upward