Brendan and theresa are married and have three children in college. their twin daughters, christine and katlyn, are freshmen and attend the same university. their son, kevin, is a graduate student. brendan and theresa pay $12,000 in tuition and fees ($6,000 each) and $1,100 in textbooks ($500 and $600 respectively) for their daughters and $4,200 in tuition and fees for kevin and $400 in textbooks. the twins’ room and board is $2,600, while kevin's room and board is $1,400. brendan and theresa have an adjusted gross income of $77,000.

a. what amount can they claim as a tax credit for the higher education expenses they pay?

b. assume that their adjusted gross income is $116,000. what amount can they claim as a tax credit for the higher education expenses they pay?

c. assume the same facts as in part a, except that kevin is a freshman and the twins are graduate students. what amount can brendan and theresa claim as a tax credit for the higher education expenses they pay?

2. determine whether each of the following taxpayers must file a return in 2016:

a. felicia is a dependent who has wages of $6,100 and interest income of $225.

b. jason is a dependent who has interest income of $800.

c. jerry is self-employed. his gross business receipts are $43,000, and business expenses are $40,300. his only other income is $1,200 in interest from municipal bonds

3. martina is single and has two children in college. matthew is a sophomore and christine is in her fifth year of college. martina pays $3,600 in tuition and fees for matthew, $700 for textbooks, and $2,000 for his room and board. christine's tuition and fees are $4,800, her textbooks are $550, and her room and board expenses are $1,800. martina's adjusted gross income is $55,000.

a. what amount can martina claim as a tax credit for the higher education expenses she pays?

b. assume that martina's adjusted gross income is $83,000. what amount can she claim as a tax credit for the higher education expenses she pays?