Lee is $30$ years old and single. Lee paid all the costs of maintaining his houschold for the entire year. Determine Lee's filing

status in each of the following alternative situations:

a$)$ Lee is Ashton's uncle. Ashton is $15$ years old and has gross income of $$6,000.$ Ashton lived in Lee's home from April

$1$ through the end of the year.

b$)$ Lee is Ashton's uncle. Ashton is $20$ years old, is not a fulltime student, and has gross income of $$7,000.$ Ashton lived

in Lee's home from April $1$ through the end of the year.

c$)$ Lee is Ashton's uncle. Ashton is $22$ years old and was a fulltime student from January through April. Ashton's gross

income was $$6,000.$ Ashton lived in Lee's home from April $1$ through the end of the year.

d$)$ Lee is Ashton's cousin. Ashton is $18$ years old, has gross income of $$3,000,$ and is not a fulltime student. Ashton

lived in Lee's home from April $1$ through the end of the year.

e$)$ Lee and Ashton are cousins. Ashton is $18$ years old, has gross income of $$3,000,$ and is not a fulltime student.

Ashton lived in Lee's home for the entire year.