On 1 January 2021, Brisbane Ltd acquired all the issued shares in Sydney Ltd. At that date, the plant of Sydney Ltd had a fair value of $20000 more than its carrying amount and an estimated useful life of 5 years. Sydney Ltd depreciates the plant on a straight-line basis. The plant was still in the business at 30 June 2022 . The business combination valuation entries in relation to the plant as at 30 June 2022 will include: I. Adjustments to the current depreciation expense II. Adjustments to retained earnings (opening balance) III. Transfers from business combination valuation reserve to retained earnings IV. Adjustments to the plant account to recognise the fair value adjustment at acquisition date II and III only. I, II and IV only. I, II, III and IV. I and IV only