18.

Amber supports four individuals: Erin, her stepdaughter, who lives with her; Amy, her cousin, who lives in another state; Britney, her friend, who lives legally in Amber's home all year long; and Charlie, her father, who lives in another state. Assume that the dependency requirements other than residence are all met. How many personal and dependency exemptions may Amber claim?

A) 1 B) 2 C) 3 D) 4