Financial Accounting and Reporting

Under specific ASC guidance exists, development costs are expensed in U.S. GAAP.  What occurs in IFRS?

True/False: Impairment losses are not reversed in U.S. GAAP.

In U.S. GAAP impairment is a function of fair value and carrying value. What occurs in IFRS?

Is U.S GAAP a two step impairment approach?