If she earned over $5,000 a Schedule C would print as the EZ only goes up to $5,000 If her income was under $5,000 and she meets the rest of the qualifications for Schedule C-EZ she could technically file it, however, using the C-EZ instead of the C will not have any actual effect on her return. Generally, if income or something else hasn't changed, if one question may have been answered a different way even if you went back to change it, the C could have been generated.