(b) Compute the annual depreciation that would have been charged from 2004 through 2022. Annual depreciation from 2004 through 2021 $ / yr. e Textbook and Media In 1993, Tamarisk Company completed the construction of a building at a cost of $2,320,000 and first occupied it in January 1994. It was estimated that the building will have a useful life of 40 years and a salvage value of $68,800 at the end of that time. Early in 2004, an addition to the building was constructed at a cost of $580,000. At that time, it was estimated that the remaining life of the building would be, as originally estimated, an additional 30 years, and that the addition would have a life of 30 years and a salvage value of $23,200. In 2022, it is determined that the probable life of the building and addition will extend to the end of 2053, or 20 years beyond the original estimate