Fiona, a manager, hired a candidate called Oliver. A few senior executives argued that he did not possess the basic skills required for the job. He failed to perform well even after 3 months of training and 9 months of mentoring and coaching. Fiona was asked by her colleagues to terminate Oliver as his work continued to be bad. She decided to not terminate him as a lot of money and time were spent on his training, mentoring, and coaching. Which of the following types of bias can be attributed to Fiona's faulty decision? illusion of control apparent agreement in the group sunk cost bias O framing bias