Jim Planter, who reached age 65 on January 1, 2022, filed a joint return for 2022 with his wife, Rita, who is 50 years old and legally blind. Mary, their 21-year-old daughter, was a full-time student at a college until her graduation on June 2, 2022. The daughter had $6,400 of income and provided 25% of her own support during 2022 . In addition, during 2022 , the Planters were the sole support for Rita's niece, who had no income. How many dependents should the Planters claim on their 2022 tax return? 1 2 3 0