quick please

Pfizer bought a machine on January 1, 2019, at a cost of $90,000. Pfizer uses the straight-line depreciation The machine was estimated to have eight-year useful life and $2,000 in residual value. In 2021, Pfizer revised its estimate in that the machine will have a total service life (including 2019 and 2020) of only six years, while the residual value remains the same. Required: Compute depreciation recorded in both 2021 and 2022 (not the sum across the two years). Annual depreciation for 2021 and 2022