CRT Company bought a machine costing 56000 OMR at the beginning of 2017. It had a useful life of seven (7) years, with no residual value. On 1 January 2020 the equipment was revalued to 60000 OMR. The expected useful life has remained unchanged. Which of the following is the correct journal entry for the revaluation? Select one: O a. Acc.Depr. 24,000 Machine 4,000 Rev.Surplus 28,000 O b. Rev.Surplus 24,000 Machine 4,000 Acc.Depr. 28,000 Select one: O a. Acc.Depr. *24,000 Machine 4,000 Rev.Surplus 28,000 b. Rev.Surplus 24,000 Machine 4,000 Acc.Depr. 28,000 Oc. Acc.Depr. 24,000 Machine 20,000 Rev.Surplus 4,000 O d. Acc.Depr. 14,000 P/L 14,000 Rev.Surplus 28,000