Can someone help me in finding out the right answer from the given options. Both level of employment through a firm and the average rate of monopsonistic exploitation of labor are raised when a firm is capable to: (1) Outsource through hiring less productive workers in the foreign countries. (2) Substitute workers with automation through industrial robots. (3) Raise the capital intensity of its production procedure. (4) Raise its gains via policies of the wage discrimination. (5) Build demand for its products via extensive advertising.