Supporters of fixed exchange rates maintain that such a rate removes uncertainty about the future exchange rate,creating a better business environment for exporters and importers.However,a speculative attack on a currency with a fixed exchange rate may lead to __________ of the currency.
A) a sudden,predictable revaluation
B) a sudden,predictable devaluation
C) an anticipated devaluation
D) an anticipated revaluation
E) a sudden,unpredictable devaluation