Shira is a 21-year-old full-time college student. She lives in a dorm during the school year and returns to her parents' house, which is considered her permanent residence, in Delaware for winter and summer break. Shira’s support came from three sources: (1) her parents contributed $22,000, (2) her grandparents (who live in Vermont) contributed $22,000, and (3) Shira contributed $5,000 she earned working at the campus bookstore. Which of the following statements is true based on these facts?