Which of the following defense technique is used  by a target firm to prevent or discourage a potential hostile takeover by an acquiring company?

The term  poison pill  refers to a defensive technique used by a target firm to avoid or deter an acquiring business from taking the risk of a hostile takeover. Prospective targets use this strategy to make the potential acquirer appear less appealing to them ·         A golden parachute consists of substantial benefits given to top executives if the company is taken over by another firm, and the executives are terminated as a result of the merger or takeover. ·         Greenmail is the practice of buying enough shares in a company to threaten a hostile takeover so that the target company will instead repurchase its shares at a premium.  ·         Crown Jewel defense mechanism involves the target company spinning off its crown jewel unit, or its most valued asset, in order to make the acquisition less desirable for the acquirer. The asset could be the unit that is the most profitable unit in the company or is important for future profitability or produces the flagship product of the company. ·         The  Pac-Man defense  is a defensive mechanism used against the hostile takeover, wherein the target firm turns around the table and acquires the firm that has made the hostile bid or has initiated the takeover.