If the Bank of Canada Enters the Open Market and Sells

Multiple Choice

If the Bank of Canada enters the open market and sells $1000 of government securities,what will be the eventual change in the money supply given a 10% target reserve ratio in the commercial banking system and a 10% cash drain?

A) decrease of $1000
B) decrease of $5000
C) decrease of $10 000
D) increase of $5000
E) increase of $10 000