13-19 Alternative Minimum Tax-Computation. T is single and has taxable income of $56,550 and a regular tax liability of $8,380.50 for the current year. T uses the standard deduction for regular tax purposes and has $60,000 of positive adjustments (excluding the adjustment for the standard deduction) for AMT purposes. a. Determine T's tentative minimum tax and her AMT b. Determine the amount that T actually has to pay the IRS this year. 13-19 Alternative Minimum Tax-Computation. T is single and has taxable income of $56,550 and a regular tax liability of $8,380.50 for the current year. T uses the standard deduction for regular tax purposes and has $60,000 of positive adjustments (excluding the adjustment for the standard deduction) for AMT purposes. a. Determine T's tentative minimum tax and her AMT b. Determine the amount that T actually has to pay the IRS this year