in each of the following cases, compute AMT (if any). For all cases, assume that taxable income does not include any dividend income or capital gain. Use Individual Tax Rate Schedules. (Round your intermediate calculations to the nearest whole dollar amount.)

a. Mr. and Mrs. BHs taxable income on their joint return was $201,000, and their AMTI before exemption was $203,900.

b. Mr. CKs taxable income on his single return was $78,110, and his AMTI before exemption was $98,900.

c. Ms. Ws taxable income on her head of household return was $182,400, and her AMTI before exemption was $250,200.