According to GAAP regarding amortization of goodwill and other intangible assets, which of the following statements is true?

Goodwill recognized in consolidation must be amortized over 20 years. A Goodwill recognized in consolidation must be expensed in the period of acquisition. B Goodwill recognized in consolidation will not be amortized but subject to an annual test for impairment. C Goodwill recognized in consolidation can never be written off. D Goodwill recognized in consolidation must be amortized over 40 years.