Suppose the proportion of deposits that individuals wish to hold as cash were to rise from 5% to 10%. Then,

A) the money supply will rise because people have more cash.
B) bank deposits will fall by the same amount as if the reserve-holding ratio had risen by 5 percentage points.
C) the supply of high-powered money will rise because cash has risen.
D) the money supply will change by the same amount as if the reserve-holding ratio had risen by 5 percentage points.

B