What is the FCF-MAC tor this switch?

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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