Patricia, whose AGI is $50,000, is divorced, and maintains a home in which she and her 15 year old daughter live. Patricia provides the majority of the support for her daughter and for a son, age 23, who enrolled part-time at the university and lives in the dorm. The son also works in the campus bookstore and earns spending money of $4,500. What amount of Child Tax Credit and Other Tax Credit can Patricia claim? Select one: O a. $1000 b. $2500 c. $2000 O d. $4000