Answer:
(C) reached the rate of 80 billion percent per month.
Step-by-step explanation:
Inflation in Zimbabwe in 2008 -
In the year 2008 , Zimbabwe was in a condition of hyperinflation , which started in the February 2007 , and was extremely high in the year 2008 to 2009 .
During this time the government of Zimbabwe stop to fill the official inflation statistics , and hence it became very difficult to measure Zimbabwe's hyperinflation .
But the estimated amount was around 80 billion percent per month .