Do the following individuals qualify for the child tax credit, other dependents credit, or both?

CHARLIE is divorced and received $6,000 of alimony from her former husband and earned $12,000 working as a secretary.She also received $1,800 of child support for her son who lives with her.According to a written agreement, her former husband is entitled to receive the dependency exemption.

DONNA is a widow, age 68, who receives a pension of $8,000, nontaxable social security benefits of $8,000, and interest of $4,000.She has no dependents.

EDNA is married, but her husband left her two years ago and she has not seen him since.Edna supported herself and her daughter, age 6.She paid all household expenses.Her income of $16,000 consisted of a salary of $15,200 and interest of $800.