When an audit client uses a service organization to manage their investment activity,

Group of answer choices

the auditor must rely on the service organization to determine the fair level $1,2,$ and $3$ estimates.

the auditor can rely on the internal controls of the service organization if the service organization's auditor issues a report on their internal control.

the auditor can always rely on the internal controls of the service organization.

the auditor must state in their audit opinion that the client uses a service organization.