On January 1, 2016 Murgatroyd Co. purchased equipment for OMR 30,000, estimating a four-year useful life and no residual value. In 2016 and 2017, Murgatroyd depreciated the asset using straight-line method. In 2018, Murgatroyd changed to the sum- of-years'-digits method for this equipment. What depreciation would Murgatroyd record for the year 2018 on this equipment? Select one: OA. 10,000 O B. 9,000 O c. 5,000 OD. 6,500