following an increase the money supply, according to the Dornbush Model, there will be

A. a short run in hte LM curve downwards and the IS curve to the right, where they remain in the long run

B. a short run shift in the LM curve upwards and the IS curve to the left, but the curves will shift back to their initial locations in the long run

C. a short run shift in the LM curve downwards and the IS curve to the right, but the curves will shift back to their initial locations in the long run