The summation of monopolistic exploitation across all the workers tends to raise however a firm as well operates at a more socially and economically proficient level of output and employment whenever the firm is capable to engage in: (m) Blacklisting in its dealings through unions. (n) Yellow dog contracts all through the collective bargaining. (o) Featherbedding in its hiring practices. (p) Price discrimination in output market. (q) Efficiency salary setting in its employment strategies.
What is the right answer?