Leona holds 2013 nonrefundable tax credits of $65,000. None of these nonrefundable credits are personal credits that

Question:

Leona holds 2013 nonrefundable tax credits of $65,000. None of these nonrefundable credits are personal credits that qualify for special treatment. Her regular income tax liability before credits is $190,000, and her tentative minimum tax is $150,000.
a. What is the amount of Leona's AMT?
b. What is the amount of Leona's regular income tax liability after credits?