A foreign exchange trader with a U.S. bank took a short position of 5,000,000 when the $/ exchange rate was 1.40. Subsequently, the exchange rate has changed to 1.46. Is this movement in the exchange rate good from the point of view of the position taken by the trader? By how much has the banks liability changed because of the change in exchange rate?

Is this movement good from trader's position?

Change in bank's liability