Nora Hayes, a widow, maintains a home for herself and her two dependent preschool children. In 2009, Nora's earned income and adjusted gross income was $44,000. During 2009, Nora paid work-related expenses of $6,000 for a housekeeper to care for her children. How much can Nora claim for child care credit in 2009?
a) $0
b) $960
c) $1,200
d) $2,100
Answer: c) $1,200