Could you give me an explanation for the answer above? especially the highlighted Equipment. I was getting confused.

Is fair value of equipment equal to accumulated depreciation (fair value of equipment =accumulated depreciation =$80000)? carrying amount =$80000 - $50000=$30000?

Exercise 27.4 Undervalued and unrecorded assets, unrecorded liabilities On 1 July 2019, Ava Ltd acquired all the issued shares of Isabel Ltd for a cash consideration of $1 000 000. At that date, the financial statements of Isabel Ltd showed the following information. Share capital General reserve Retained earnings $650 000 20 000 250 000 All the assets and liabilities of Isabel Ltd were recorded at amounts equal to their fair values at the acquisition date, except some equipment recorded at $50 000 below its fair value with a related accumulated depreciation of $80 000. Also, Ava Ltd identified at acquisition date a contingent liability related to a lawsuit where Isabel Ltd was sued by a former supplier and attached a fair value of $40 000 to that liability. Required 2. Prepare the consolidation worksheet entries for Ava Ltd's group at 1 July 2019, assuming that Isabel Ltd has not revalued the equipment in its own accounts. 2. Consolidation worksheet entries at 1 July 2019 if the equipment is not revalued in subsidiary's accounts: BCVR entries at 1 July 2019: The BCVR entries will need to recognise the increase in value of the equipment, the contingent liability that was not recorded prior to the acquisition date in the subsidiary's accounts and the goodwill identified in the acquisition analysis. It is assumed that the carrying amount of the equipment is $50 000 below its fair value, meaning its historical cost is $30000 above its fair value given the accumulated depreciation of $80 000 Accumulated depreciation - equipment Dr 80 000 Equipment Cr 30 000 Business combination valuation reserver 35 000 Deferred tax liability Cr 15 000 Deferred tax asset Dr 12 000 Business combination valuation reserve Cr 28 000 Provision for damages Cr 40 000 Goodwill Dr 73 000 Business combination valuation reserver 73 000 Pre-acquisition entry at 1 July 2019: Retained earnings (1/7/19) Dr 250 000 General reserve Dr 20 000 Share capital Dr 650 000 Business combination valuation reserve Dr 80 000 Shares in Isabel Ltd Cr 1 000 000