Walter and Nancy provide 60% of the support of their daughter (age 18) and son-in-law (age 22). The son-in-law (John) is a full-time student at a local university, while the daughter (Irene) holds various part-time jobs from which she earns $11,000. Walter and Nancy engage you to prepare their tax return for 2017. During a meeting with them in late March 2018, you learn that John and Irene have filed a joint return. What tax advice would you give based on the following assumptions:

a. All parties live in Louisiana (a community property state).

b. All parties live in New Jersey (a common law state).