I have some question regarding my tax class here ismy questions:

1)If a taxpayer is whether or not they have to file, which resource can you use to help determine the correct filing status?

a. Publication 4012

b. W2

c. Publication 17

d. None of the above, this information does not appear on the 1040

2)Which of the following is not a reason to file a tax return if the income does not require a return and no other situations requiring a return exist?

a.The taxpayer qualifies for the Earned Income Tax Credit

b.The taxpayer qualifies for the American Opportunity Credit

c. The taxpayer qualifies for the additional Child Tax Credit

d.The taxpayer had income tax withheld from his/her pay

e.All the above are reasons to file a tax return

3)Andrea and Rob are both under 65, married and usually file a joint return. Their gross income was $18,400. In 2008 they purchased their home and received the First Time Homebuyer Credit. Do Andrea and Rob have to file a tax return?