Which defense tactic, against hostile takeovers, is described below?

In College, a couple of biochemists discover a promising new cure for brain cancer. They take this cure and start to develop it. In the process, they do a IPO to raise money. They raise $5M to continue their work. At this point, Mark, one of the founders, sends a memo to Lauren stating that they should work to be purchased by a large biotech firm like Pfizer, Roche, or Abbvie, as that would serve their corporate interests best. Soon thereafter, a Sr. Scientist they hired discovers that the chemical solution can also be used a dog hair dye. Proctor and Gamble hears of this opportunity, and immediately begins a tender offer at $25 per share. The board begins buying up shares at market price to fend off the take-over. They justify it by suggesting that Proctor and Gamble does not share the same corporate values.

A. Long-range acquisition strategy

B. White Knight Tactic

C. Golden Parachutes

D. Scorched Earth Tactics