FIGURE 15- 2

FIGURE 15- 2
-Refer to Figure 15- 2.The market for financial capital is initially in equilibrium at E1.A shift of the aggregate investment demand curve from I1 to I2,all other things constant,would

A) change the technology of capital use.
B) shift the supply of saving curve to S2.
C) increase the equilibrium interest rate.
D) decrease the equilibrium interest rate.
E) reduce the marginal product of capital.