If an item meets one (but not both) of the criteria for an extraordinary item, it a. may be treated as sales revenue (if it is a gain) and as an operating expense (if it is a loss). b. is reported at its gross amount as an "other revenue or gain" or "other expense or loss." c. is reported as an "other revenue or gain" or "other expense and loss," net of tax. d. only needs to be disclosed in the footnotes of the financial statements