For each independent situation, determine: (i) The filing status of the taxpayer, with a full explanation (ii) The number of dependents the taxpayer can claim (not including themselves), and the reasons for your answer (QC, QR, what tests fail or succeed and why) c. John's spouse died last year, and John has not remarried. John fully supports his father, Zachary, age 89, who lives in a nursing home and had total income this year of $5,600