Under U.S. GAAP, restorations of carrying value for long-lived assets are permitted if an asset's fair value increases subsequent to recording an impairment loss for which of the following?
Choice "C" is correct. Under U.S. GAAP, long-lived assets that are impaired can only have their carrying value restored if they are held for disposal. Assets that are held for continued use that are impaired are not permitted to have any restoration of carrying value. Keep in mind that any write-ups are limited to previous write-downs.
Choices "d", "a", and "b" are incorrect as per the rules above.