Read the following sentences to find out if there is any grammatically mistake/error in them. The error, if any. will bne in one part of the sentence. Mark the part with the error as your answer.If there of no error, mark ‘ No, error’ as your answer. ( Ignore the errors of punctuation, if any.)

It is usually during significant events/such as the collapse of a country’s currency/ or the sudden hike to inflation that / the central bank will reduce policy rates.