What administrator account type should she assign to Josh in the MDG?

Michelle is the manager in charge of a large Multi-Domain Management with Provider-1
deployment. Due to job responsibility changes, she needs someone to manage everything within
the Provider-1 environment should she be unavailable while traveling. She has chosen her
assistant Josh for this duty. What administrator account type should she assign to Josh in the
MDG?

A.
Customer Superuser

B.
Provider-1 Superuser