For all the following cases, assume that taxable income does not include any dividend income or capital gain. Required: a. Compute AMT (if any) if Mr. and Mrs. Baker's taxable income on their joint return was $220,000, and their AMTI before exemption was $221,000 b. Compute AMT (if any) if Mr. Costa's taxable income on his single return was $193,500, and his AMTI before exemption was $216.000 c. Compute AMT (if any) if Ms. White's taxable income on her single return was $678,675, and her AMTI before exemption was $799,000 Assume the taxable year is 2020. Use Individual Tax Rate Schedules. Complete this question by entering your answers in the tabs below. Required A Required B Required c Compute AMT (if any) if Ms. White's taxable income on her single return was $678,675, and her AMTI before exemption was $799,000. (Round your intermediate calculations and final answer to the nearest whole dollar amount.) AMT