At the beginning of 2019 , Metatec Inc. acquired Ellison Technology Corporation for $580 million. In addition to cash, receivables, and inventory, the following assets and their fair values were also acquired: The plant and equipment are depreciated over a 10-year useful life on a straight-line basis. There is no estimated residual value. The patent is estimated to have a 5-year useful life, no residual value, and is amortized using the straight-line method. At the end of 2021, a change in business climate indicated to management that the assets of Ellison might be impaired. The following amounts have been determined: "After first recording any impairment losses on plant and equipment and the patent. After first recording any impairment losses on plant and equipment and the patent. Required: 1. Compute the book value of the plant and equipment and patent at the end 2021 . 4. Determine the amount of any impairment loss to be recorded, if any, for the three assets. Complete this question by entering your answers in the tabs below. Compute the book value of the plant and equipment and patent at the end of 2021 . (Enter your answers in millions.) Required: 1. Compute the book value of the plant and equipment and patent at the end 2021 . 4. Determine the amount of any impairment loss to be recorded, if any, for the three assets. Complete this question by entering your answers in the tabs below. Determine the amount of any impairment loss to be recorded, if any, for the three assets. (Enter your answers in millions. Negative amounts should be indicated by a minus sign.)