GAO has worked hard to make the transition from an accounting and preaudit environment to become a diversified, multidisciplinary accountability and professional services organization.
It took GAO 10 years to make this transition.
mnli hypothesis: It took GAO 10 years to make this transition. premise: GAO has worked hard to make the transition from an accounting and preaudit environment to become a diversified, multidisciplinary accountability and professional services organization.