N-400 Questions

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I am applying N-400 for my mother but she never worked in the US but I started claiming her on my tax return.
Can I file N-400 without tax return since she never worked?
Can I apply for fee waiver since she doesn't have income?

Thanks in advance for your help.

[SRT8U]

Come on someone knows and can help.

[SRT8U]

jeeeez no one???