3. Bat Company acquired new machinery on 1 January 2015 at a cost of TL48,000 that was estimated to have a useful life of 10 years and a residual salvage value of TL12.000. Straight-line depreciation was used. On 1 January 2021, following six full years of use of the machinery, management decided that the estimate of useful life had been too long and that the machinery would have to be retired on I January 2023, that is, at the end of the eighth year of service. Under this revised estimate, the depreciation expense for the seventh year of use would be: TL 7,200. b. TL9.600. w c. TL13.200. d. TL14,400. a. 4. An asset having a four-year service life and a salvage value of TL 5.000 was acquired for TL45.000 cash on April 01. Using straight-line depreciation, what will be the depreciation expense at the end of the first year. December 31? a TL 7.500 b TL 8,437,50 TL 9.375 d. TL 10.000