Cheers up with fringe benefits (5)

I believe the answer is:

perks

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'fringe benefits' is the definition.
('perk' can be a synonym of 'fringe benefit')

I cannot understand how the remainder of the clue works.

(Another definition for perks that I've seen is " Incidental benefits from one's employment".)

I've seen this clue in The Globe and Mail.

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