Elena is single but her mother, Maria, lives with her. Maria's sole income is $7,000 in Social Security (which she saves for unexpected medical expenses) and $500 of interest income on that account. Elena provided a room in her home for Maria that could have been rented for $5,500 and Elena spent $5,200 on groceries for them to share and another $1,800 on clothing for Maria.
a. What is the total amount of support Elena provided for her mother?
b. Can Elena claim Maria as her dependent?
c. What is Elena's filing status?