Dishonest monetary share (4-3)

I believe the answer is:

rake-off

(Other definitions for rake-off that I've seen before include "(Illegal) commission" , "Criminal's profit" , "Share of (criminal) profits" , "Commission on deal, often disreputable (colloq.)" , "(Unfair) share of the profits" .)

I've seen this clue in the Sydney Morning Herald.

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