please show work

In 1998, Concord Company completed the construction of a building at a cost of $2,100,000 and first occupied it in lanuary 1999 . It was estimated that the building will have a useful life of 40 years and a salvage value of $63,200 at the end of that time. Early in 2009 , an addition to the building was constructed at a cost of $525,000. 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 havea life of 30 years and a salvage value of $21000. In 2027, it is determined that the probable life of the building and addition will extend to the end of 2058 , or 20 years beyond the originalestimate. (a) Your answer is correct. Using the straight-line method, compute the annual depreciation that would have been charged from 1999 through 2005. Annual depreciation from 1999 through 2008 List of Accounts Attempts: 1 of 7 used (b) Compute the annual depreciation that would have been charged from 2009 through 2026 . Annual depreciation from 2009 through 2026