barbarians at the gate was a movie (based on a best-selling book) that portrayed the bidding war in the 1980s between f. ross johnson and henry kravis for the leveraged buyout of rjr nabisco. johnson and kravis continued to bid to take control of rjr nabisco even though many thought the ultimate deal cost the ""winner"" (johnson) more than what the transaction was worth. this type of behavior best illustrates the cognitive bias of: