-In the Graph Above,the Distance 0W2 Measures the

-In the graph above,the distance 0W2 measures the

A) marginal labour cost of L2 workers.
B) value of marginal product of L2 workers.
C) perfectly competitive wage rate.
D) wage rate the monopsonist pays to the L2 workers.
E) wage rate necessary to ensure L3 workers will come to work.