7 (1 point) Saved Bobby (unmarried, age 66) maintains a household where his elderly father (age 88) lives. Bobby cannot claim his father as a dependent because his father does not pass the gross income test. Bobby's 2021 standard deduction is: 1) $13,500. 2) $14,250. 3) $12,550. 4) $15,500. 5) $14,200