On may 31, 2018, the arlene corporation adopted a plan to sell its cosmetics line of business, considered a component of the entity. the assets of the component were sold on october 13, 2018, for $1,120,000. the component generated operating income from january 1, 2018, through disposal of $300,000. in its income statement for the year ended december 31, 2018, the company reported before-tax income from operations of a discontinued component of $620,000. what was the book value of the assets of the cosmetics component?