What is the FCF-MAC tor this switch?

What is the FCF-MAC tor this switch?

A.
54:7f:ee:98:9b:39

B.
54:7f:ee:98:9b:40

C.
54:7f:ee:98:9b:41

D.
54:7f:ee:98:9b:42

E.
54:7f:ee:98:9b:43