If the central bank raises the required reserve ratio, the money multiplier and the money supply will change in which of the following ways?
A Money Multiplier: Increase; Money Supply: Increase
B Money Multiplier: Increase; Money Supply: Decrease
C Money Multiplier: Increase; Money Supply: No change
D Money Multiplier: Decrease; Money Supply: No change
E Money Multiplier: Decrease; Money Supply: Decrease