Deduct

He could deduct the furnishing of his work room from his taxes.

To encourage conciseness the professor asked for a composition on a subject of our choosing and advised us that he would deduct one mark for each unnecessary word.

From our monthly revenue, we should deduct the costs of food, rent, clothing, transportation etc.

I will deduct the cost of the can of peas from the money I owe you.

The player was deducted a point for violent conduct.