Which of the following represents a link in the mechanism by which monetary policy can affect the level of PAE?

Which of the following represents a link in the mechanism by which monetary policy can affect the level of PAE? O (a) The effect of the real interest rate on government spending. O (b) The effect of the real interest rate on consumption spending. (c) The effect of the real interest rate on planned investment. O (d) Both (b) and (c). O (e) All of (a), (b) and (c)