Sum of the monopolistic exploitation across all workers tends to rise however a firm as well functions at a more socially and economically proficient level of output and employment whenever the firm is capable to engage in: (1) Blacklisting in its dealings with the unions. (2) Yellow dog contracts throughout collective bargaining. (3) Featherbedding in its hiring practices. (4) The price discrimination at output market. (5) Efficient wage setting in the employment policies.
Find out the right answer from the above options.