In 2020, Mowchan Inc. acquired Sanchez Co. and recorded goodwill of $290 million as a result. The net assets (including goodwill) from Mowchan’s acquisition of Sanchez Co. had a 2021 year-end book value of $1,160 million. Mowchan assessed the fair value of Sanchez at this date to be $1,020 million, while the fair value of all of Sanchez’s identifiable tangible and intangible assets (excluding goodwill) was $900 million. The amount of the impairment loss that Mowchan would record for goodwill at the end of 2021 is ____