Ans. In case you are hiring a professional to file your business tax then you should be aware of the cost you might need to pay. Check out the following details. $174 - Form 1040 Schedule C (business) $817 - Form 1120 (corporation) $634 - Form 1065 (partnership) $457 - Form 1041 (fiduciary) $688 - Form 990 (tax exempt) $115 - Schedule D (gains and losses) $778 - Form 1120S (S corporation) $68 - Form 940 (Federal unemployment)