(d) (5 points) Circle the right changes for each variable listed below when you compare MREQ with the initial point A (when there was no policy). Briefly explain what happens to the investment in the MR. No need to explain for Y, P and i- they must be shown in your graph. 1. Output (Y): Increase / Decrease/ Same / Ambiguous 2. Prices (P): Increase / Decrease/ Same / Ambiguous 3. Interest rate (i): Increase / Decrease/ Same / Ambiguous 4. Investment, I(Y, i): Increase / Decrease/ Same / Ambiguous (e) (5 points) Is a decrease of money supply a neutral policy in the MR? Briefly explain your answer.