差し引く: to deduct

手数料てすうりょうを差し引さしひいたうえで報酬ほうしゅうが支払しはらわれ、失敗しっぱいや契約けいやく違反いはんがあれば、ギルドが責任せきにんを問とうという設定せっていもよく見みられます。

It is also common to see a setup in which the reward is paid after a fee is deducted, and the guild holds people accountable for failure or breach of contract.