1) If the required reserve ratio is 10 percent, currency in circulation is $400 billion, checkable deposits are $800 billion, and excess reserves total $0.8 billion, then the money supply is ________ billion.

A) $8000

B) $1200

C) $1200.8

D) $8400

2) If the required reserve ratio is 10 percent, currency in circulation is $400 billion, checkable deposits are $800 billion, and excess reserves total $0.8 billion, then the M1 money multiplier is

A) 2.5.

B) 1.67.

C) 2.0.

D) 0.601.

3) If the required reserve ratio is 10 percent, currency in circulation is $400 billion, checkable deposits are $800 billion, and excess reserves total $0.8 billion, then the currency ratio is

A) 0.25.

B) 0.50.

C) 0.40.

D) 0.05.

4) If the required reserve ratio is 10 percent, currency in circulation is $400 billion, checkable deposits are $800 billion, and excess reserves total $0.8 billion, then the excess reserves checkable deposit ratio is

A) 0.001.

B) 0.10.

C) 0.01.

D) 0.05.