Which one of the following statements concerning the American Opportunity Credit is not correct?

a. The credit is available for the first four years of post-secondary education

b. The credit is available on a per student basis

c. To be eligible for the credit, the student must be enrolled full-time for at least one academic period during the year

d. If a parent claims a child as a dependent, any qualified expenses paid by the child are deemed to be paid by the parent