Question 6 Suppose there is an increase in working age population due to a new immigration program, which increases savings at any given level of real interest rate. Using the savings and investment model which one of the following is false? The investment curve will remain unchanged The savings curve will shift out There will be a decrease in real interest rate and increase in the equilibrium level of investment and savings. There will be an increase in real interest rate and raise the equilibrium level of investment and savings