In 2021, which of the following children would have income taxed at the parent's rates? a. A13-year-old child with salary income of $12,000 b. A nonstudent, 19-year-old child with net uneamed income of $12,000 c. A 9-year-old child with salary income of $1,000 d. A 12-year-old child with net uneamed income of $3,200 e. All of these