8thweek 7/3-1! Oman Cables Co. purchased equipment for OR67,000 on January 1, 2020. The machine is .expected to have a six-year life, with a residual value of OR11,000 at the end of six years :Using the sum-of-the-years-digits method, depreciation for 2020 would be .1 a. 18,0000 b. 16,8000 C. 16,0000 d. 13,3330 Using the sum-of-the years -digits method, depreciation for 2021 would be 2. a. 12,000 b. 13,3330 C. 16,0000 d. 13,5000