Answer:
The correct answer is letter "B": When the inflation rate hits 100%.
Step-by-step explanation:
Hyperinflation is an economic term describing rapid uncontrolled price increases. During periods of hyperinflation, the real value of domestic currency vanishes at a rapid rate. Hyperinflation takes place when inflation has reached or is more than 50% during one month or when inflation reaches or exceeds 100% over three years.