x b. Ruby and Woody are married and file a joint tax return. Ruby is age 66, and Woody is 69. Their taxable retirement income is $11,260. Shonda is age 68 and single. She is claimed by her daughter as a dependent. Her earned income is $150, and her interest income is $425. C. x b. Ruby and Woody are married and file a joint tax return. Ruby is age 66, and Woody is 69. Their taxable retirement income is $11,260. Shonda is age 68 and single. She is claimed by her daughter as a dependent. Her earned income is $150, and her interest income is $425. C