Hyperinflation is a very high, rapid, and continuous ( ), within which the prices of goods and services quickly rise to a level so high.

If a foreign county experiences a hyperinflation,( ) A: its currency will depreciate against stable currencies. B: its currency may appreciate against stable currencies. C: its currency may be unaffected—it's difficult to say. D: none of the above

In a period of rapid, unexpected inflation, resources can be lost A: when firms invest in research and development instead of forecasting inflation. B: when firms use resources to forecast inflation. C: because rapid inflation almost always turns into a hyperinflation. D: Both answers B and C are correct.