A company has many separate AWS accounts and uses no central billing or management. Each AWS account hosts services for different departments in the company. The company has a Microsoft Azure Active Directory that is deployed. A solutions architect needs to centralize billing and management of the company’s AWS accounts. The company wants to start using identity federation instead of manual user management. The company also wants to use temporary credentials instead of long-lived access keys. Which combination of steps will meet these requirements? (Choose three)