WebHelper Inc. acquired 100% of the outstanding stock of Silicon Chips Corporation (SCC) for $45 million, of which $15 million was allocated to goodwill. At the end of the current fiscal year, an impairment test revealed the following: fair value of SCC, $40 million; fair value of SCCs net assets (excluding goodwill), $31 million; book value of SCCs net assets (including goodwill), $42 million.
What amount of impairment loss should Web Helper recognize?