Which of the following statements is correct In a tax-free business combination

a) the income tax basis for acquired assets and liabilities is adjusted to current fair value

b) any goodwill created by the combination may be amortized in calculating taxable income

c) the subsidiary's assets and liabilities are assigned an income tax basis of zero dollars, so that they will have no future income tax consequences

d) any goodwill created by the combination must be deducted in total in calculating taxable income.

e) the subsidiary's cost basis for assets are retained for income tax calculations