During the 20X8 tax year, Kricia completed her 2nd year as an undergraduate at Faber University. During the year, Kricia incurred the following expenses. Tuition: $40,000 Room and Board: 10,000 Medical Expenses: 1,000 Bus Pass for Commute: 200 If Tricia has no taxable income, what is her total refundable American Opportunity Credit in 20x8?