Evan and eileen carter are husband and wife and file a joint return for 2018. both are under 65 years of age. they provide more than half of the support of their daughter, pamela (age 25), who is a full-time medical student. pamela receives a $5,000 scholarship covering her tuition at college. they furnish all of the support of belinda (evan’s grandmother), who is age 80 and lives in a nursing home. they also support peggy (age 66), who is a friend of the family and lives with them. how many dependents may the carters claim?