Answer:
B. Increase and the real wage will increase.
Step-by-step explanation:
In the case when there is a rise in population so the labor supply also rises and the equilibrium labor quantity would also rise
So it would result in rise in capital market due to which the labor would become more productive and there is a rise in the labor demand
This leads to greater real wages rate and rise in full labor quantity employment
Hence, the option b is correct