Determine the number of personal and dependency exemptions in each of the following independent situations.

a. Leo and Amanda (ages 48 and 46, respectively) are husband and wife and fur- nish more than 50% of the support of their two children, Elton (age 18) and Trista (age 24). During the year, Elton earns $4,500 providing transportation for elderly persons with disabilities, and Trista receives a $5,000 scholarship for tui- tion at the law school she attends.

b. Audrey (age 45) is divorced this year. She maintains a household in which she, her ex-husband, Clint, and his mother, Olive, live. Audrey furnishes more than 50% of the household's support. Olive is age 91 and blind.

c. Crystal, age 45, furnishes more than 50% of the support of her married son, Andy (age 18), and his wife, Paige (age 19), who live with her. During the year, Andy earned $8,000 from a part-time job. All parties live in Iowa (a common law state).

d. Assume the same facts as in (c), except that all parties live in Washington (a community property state).