 Two voted to appoint Oliver Wyman to conduct the tests, while the other, former chairman of the Australian Competition and Consumer Commission Graeme Samuel, strongly opposed.Samuel argued that external consultants should not be hired, and further suggested that executives who could not resolve their own governance issues should not remain in positions of leadership.By majority vote, Oliver Wyman was hired for an undisclosed sum in the millions to conduct the tests, and ARPA stated that their final report was "valuable".