Question 22 of Self-employed taxpayers are alfowed to deduct one-half of their self-employment (s)E) tax directify on their: Form 1040 Schedule 1 (Form 1040), Schedule C (Form 1040) Schedule SE (Form 1040), U-(Dry) Mark for follow up Question 23 of iss. Self-employed taxpayers pay self-employment tax on: The gross profit of the business reduced by 15.3%. The net profit of the business reduced by 15.3%. ucury The net profit of the business reduced by 7.65%. The tentative profit of the business reduced by 7.65%. Mark for follow up