Assume That Expectations of Productivity Are Slow to Adjust

Assume that expectations of productivity are slow to adjust. An increase in productivity growth from 2% to 5% will cause:

A) an increase in the real wage of 2% and an increase in un.
B) an increase in the real wage of 2% and a decrease in un.
C) an increase in the real wage of 3% and a decrease in un.
D) an increase in the real wage of 5% and an increase in un.
E) an increase in the real wage of 5% and a decrease in un.