In the Keynesian Model in the Short Run,an Increase in the Money

Multiple Choice

In the Keynesian model in the short run,an increase in the money supply will cause

A) an increase in output and a decrease in the real interest rate.
B) a decrease in the real interest rate but no change in output.
C) an increase in the real interest rate and an increase in output.
D) no change in either the real interest rate or output.