please explain answer

Which ofthe following statements is true regarding the education tax credits?

a. The lifetime learning credit is available for qualifying tuition and related expenses incurred by students

pursuing only graduate degrees.

b. The American Opportunity creditpermits a maximum credit of 20% of qualified expenses up to $10,000 per year.

c. The American Opportunity credit is calculated per taxpayer and the lifetime learning credit is available per eligible student.

d. None ofthese statements is true.