6) Alice and Joe are married, file a joint return, and have three children. Their three children are: Joe Jr. (age 12), Lindsey (age 14), and Zoe (age 22). Zoe is a full time student at State University and lives on campus through the academic year. None of the children provides more than half of their own support, but Zoe earned $5,000 from a part time job in 2022 and received a scholarship worth $8,000. Alice's mother, Joanne, also lived with Joe & Alice all year due to an injury. Joanne earned interest income of $5,800 in 2022, but Alice and Joe provided more than half of her support for the year. Alice and Joe also provided more than half of the support of Joe's father, Ed, who lived in a nursing home. Ed had $7,700 of interest income. How many dependents can Alice and Joe claim on their 2022 joint tax return?