SunPower Ltd manufactures and installs solar and other equipment that utilises heat energy to produce electricity. Hydro Ltd is a company that focuses on selling power generator equipment in South Africa, drawing from hydro-energy. The information below represents the trial balances of SunPower Ltd and its subsidiary, Additional information 1. SunPower Ltd acquired a 60% interest in Hydro Ltd on 1 March 2019 . On the acquisition date Hydro Ltd's equity included retained earnings of R1 000000 and a revaluation surplus amounting to R70000. The issued share capital of both companies remained unchanged since the incorporation of the companies. Assume that the carrying amounts of all the assets and liabilities of Hydro Ltd were equal to the fair values at acquisition. On 28 February 2022, property was revalued in Hydro Ltd, and this was included in its financial records. No other revaluations occurred since acquisition. 2. Assume that each ordinary share carries one vote and that voting rights alone determine control. It is group policy to show goodwill at cost less impairment in the consolidated financial statements. Goodwill was not impaired during the current financial year. Since 1 March 2020, Hydro Ltd sells inventory to SunPower Ltd at a mark-up of 25% on cost. Inventory amounting to R360000 in total, had been purchased by SunPower Ltd from Hydro Ltd in the current financial year. On 28 February 2022, SunPower Ltd had inventory amounting to R120 000 on hand, that was bought from Hydro Ltd. For the 2021 financial year-end, SunPower Ltd's inventory included an amount of R90 000, which SunPower Ltd acquired from Hydro Ltd. On 1 September 2020, SunPower Ltd sold a machine with a carrying amount of R210 000 to Hydro Ltd for R260 000. It is the group's policy to recognise depreciation on this equipment on the straight-line method at a rate of 20% per annum. Assume that the profit after tax for Hydro Ltd amounts to R634 000 for the 2022 financial year. The value of revaluation surplus in the consolidated statement of changes in equity is: a. R550000+(R50000040%) b. R550000+R500000 c. R550000+(R500000R70000)60% d. R550000+(R50000060%)