학교등록금 내는것에 세금이 포함되어 있으니 그것에 대한 세금정산을 해야하지 않나요? – I don’t understand the term ‘Tax on a tuition’. It may be a sales tax, not an income tax withholding. Annual tax returns is for your income, not sales tax paid.
그리고 일인당 제공되는 Tax Credit의 (소득이 적거나 없는경우의) 혜택은 얻을수 없는가요? – In order to qualify for Earned income credit, you must have an ordinary social security card ( not the card with no working permitted) and have an income from works.