0A or 1040) 2017 EFTA00792105 SCHEDULE C (Form 1040) Damartmeni a tN TreabaY Profit or Loss From Business (Sole Proprietorship) ► Go to WWII. ts.gov/ScheduleC for instructions and the latest Information. Internal Remota Sanaa Nth Illu• Attach to Form 1040, 1040NR, or 1041; partnerships generally must file