An IAM user with administrative access is attempting to close the AWS account. After troubleshooting, the admin user uncovers they need to sign in with root user credentials in order to perform this task. What other tasks require root user credentials? Pick $3.$A$.$ Modifying the support planB. Changing the email address associated with the accountC. Configuring an Amazon S$3$ Bucket to enable MFAD. Activate IAM access to the Billing and Cost Management consoleC. Create a user with administrative accessD.