QUESTION 18 In 2018, Elaine paid $3,000 of tuition and $700 for books for her dependent son to attend State University this past fall as a freshman. Elaine files a joint return with her husband. Elaine's AGI is $168,000 What is the maximum American opportunity credit Elaine can claim for the tuition payment and books? QUESTION 19 In 2018, Amanda and Jaxon Stuart have a daughter who is one year old The Stuarts are full-time students and they are both 23 years old. Their AGI is $25,000, consisting of $22,000 of wages and $3,000 of lottery winnings (unearned income). What is their earned income credit if they file jointly? QUESTION 20 In 2018, Amanda and Jaxon Stuart have a daughter who is one year old. The Stuarts are full-time students and they are both 23 years old. Their AGl is $25,000, consisting of $3,000 of wages and $22,000 of lottery winnings (unearned income). What is their earned income credit if they file jointly