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@gk wrote:

She made only $3000.00 in 2020. 

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As the others have pointed out, a person does not qualify for the credit if they are ELIGIBLE to be claimed as a dependent.

You first said the person made $3000 in 2020, then you later said you guess they made $50,000 in 2020.  You can't just invent things because it is convenient or to get your client a larger refund.

Again, you need to determine if a person is ELIGIBLE to be claimed as a dependent.  That come before you even consider the credit or the worksheet for the credit.