"the clarks have a 21-year-old son, alex, who is a full-time student at the state university. alex received $10,000 in scholarships this year for academic achievement. he also works part time at the university bookstore and earned $5,400 this year. alex's grandparents paid $7,000 to support alex this year. alex was home with his parents for two months in the summer and at school for the rest of the year. alex used the scholarship, the earnings from the part-time job, and the money from his grandparents as his only source of support this year. which of the following definitions does alex meet for the clarks?