Suppose that a country initially had no banks but did have currency of $10 million. The country then established a banking system with a reserve requirement of 5 percent, and the citizens of the country deposited half of the currency into the banking system. If its bank do not hold excess reserves, what is the country's money supply now?

a. $10 million
b. $95 million
c. $105 million
d. $200 million