Construct the money market model and briefly explain each letters a, b, and c a. why money demand (Md) is downward sloping b. why money supply (M/P) is vertical c. how an open market purchase by the...

Construct the money market model and briefly explain each letters a, b, and c
a. why money demand (Md) is downward sloping
b. why money supply (M/P) is vertical
c. how an open market purchase by the Central bank will affect the equilibrium interest rate