What will happen if she sends the IRS this completed form with the necessary supporting documents is: They will receive a federal tax refund of $2,500.
<h3>What is 1040EZ form?</h3>
1040EZ form is a form which a tax payable is expected to fill but this form is less complex compare to 1040 form as only few important details of the taxpayer is expected to be fill out in the form.
Hence what will happen if she sends the IRS the completed form is:
Federal tax refund=Total quarterly estimated form-Tax amount
Federal tax refund=$12,000-$9,500
Federal tax refund=$2,500
Therefore they will receive a federal tax refund of $2,500.
Learn more about 1040EZ form here:brainly.com/question/1396478
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