Refer to the given market-for-money diagrams. If the Federal Reserve increased the stock of money, the:

A.  S curve would shift leftward and the equilibrium interest rate would rise.
B.  S curve would shift rightward and the equilibrium interest rate would fall.
C.  D 3 would shift leftward and the equilibrium interest rate would fall.
D.  D 3 curve would shift leftward and the equilibrium interest rate would rise.

B.  S curve would shift rightward and the equilibrium interest rate would fall.