A large fast food restaurant chain replaces all its checkout staff with robots. What effect will this have on the labour market. Assume that the labour market is competitive and there are no frictions. a. The equilibrium real wage will fall and the number of workers employed with rise. b. The equilibrium real wage will fall and the number of warkers employed will fall. c. The equilibrium real wage will rise and the number of workers employed with rise. d. The equilibrium real wage will rise and the number of workers employed will fall. e. None of the other answers are correct