On May 1, 2017, Metatec Inc. acquired Ellison Technology Corporation for $600 million. In addition to cash, receivables, and inventory, the following assets and their fair values were also acquired:

Assets	Cost	Estimated Residual Value	Estimated Useful Life (Years)
Plant and Equipment	$150 million	10% of cost	10
Machinery	45 million	NA	5
Goodwill	110 million	NA	50

The plant and equipment are depreciated using double-declining balance method. The machinery is depreciated using the straight-line method. At the end of 2018, a change in business climate indicated to management that the assets of Ellison might be impaired. The following amounts have been determined:

Plant and Equipment
- Undiscounted sum of future cash flows	$90 million
- Fair value	80 million
Goodwill
- Fair value of Ellison Technology	450 million
- Fair value of Ellison's net assets (excluding goodwill)	390 million
- Book value of Ellison's net assets (including goodwill)	470 million

(a) Compute the depreciation expense of the plant and equipment and machinery during 2018

	Depreciation Expense
Plant and equipment
Machinery

(b) Prepare the journal entry (if any) to record the impairment of plant and equipment at December 31, 2018

Account Titles	Debit	Credit

(c) Prepare the journal entry (if any) to record the impairment of goodwill at December 31, 2018

Account Titles	Debit	Credit

(d) On June 30, 2019, machinery was sold for $40 million. Partial-year depreciation is calculated based on the number of months an asset is in service. Prepare the journal entries to record the sale of Machinery on June 30, 2019

Account Titles	Debit	Credit