During 2022 , Robert Moore, who is 50 years old and unmarried, maintained his home in which he and his widowed father, age 75, resided. His father had \$3,450 interest income from a savings account and also received $3,450 from Social Security during 2022 . Robert provided 60% of his father's total support for 2022 . What is Robert's filing status for 2022 , and how many dependents should he claim on his tax return? Head of household and two dependents. Head of household and one dependent. Single and one dependent. Single and two dependents