a. Ellie is 15 and claimed as a dependent by her parents. She has $1,000 in dividends s income and $1,800 in wages from a part-time job. b. Ruby and Woody are married and file a joint tax return. Ruby is age 66 , and Woody X is 69 . Their taxable retirement income is $14,900. c. Shonda is age 68 and single. She is claimed by her daughter as a dependent. Her earned income is $330, and her interest income is $785. d. Frazier, age 56 , is married but is filing a separate return. His wife itemizes her deductions