The Economy Is in Long-Run Equilibrium

Multiple Choice

The economy is in long-run equilibrium. Suppose that automatic teller machines become cheaper and more convenient to use, and as a result the demand for money falls. Other things equal, what would we expect will happen to the price level and real GDP in the short and long run?

A) In the short run, the price level and real GDP would rise, but in the long run they would both be unaffected.
B) In the short run, the price level and real GDP would rise, but in the long run the price level would rise and real GDP would be unaffected.
C) In the short run, the price level and real GDP would fall, but in the long run they would both be unaffected.
D) In the short run, the price level and real GDP would fall, but in the long run the price level would fall and real GDP would be unaffected.