Luna Ltd. acquired a machine on 30th April 2018 for 104,500 financed with a 3-years loan. The company uses the straight-ne depreciation method. The estimated useful life of the machine is 20 years and the residual value equals 2,500. The accounting-year end for Luna Ltd. is 31st December. Considering this information, which of the following statements is true on 31st December 2020? O a. Net book value of the machine is 96,000 on 31st December 2020. O b. Accumulated depreciation of the machine on 31st December 2019 equals 8,500. O c. The depreciation expense of the machine equals 5,100 on 31st December 2018. Od. None of the answers is true