Ramiro has been an accounting major for three years, but he is not doing very well in his courses. he has, however, done very well in his law courses, but he doesn't want to change his major to law because he has already spent three years as an accounting major. he does not want to feel like he wasted those three years. ramiro is subject to: a. altruism. b. a framing bias. c. overconfidence. d. a sunk cost fallacy.