53. Henrich is a single taxpayer. In 2015, his taxable income is 425,000. What is his tax liability (including the net investment income tax) in each of the following alternative scenarios?

a. All of his income is salary from his employer.

b. His 425,000 of taxable income includes 2,000 of long-term capital gain that is taxed at preferential rates.

c. His 425,000 of taxable income includes 55,000 of long-term capital gain that is taxed at preferential rates.

d. Henrich has 195,000 of taxable income, which includes 50,000 of long-term capital gain that is taxed at preferential rates. Assume his modified AGI is 210,000.