In 1998, Wildhorse Company completed the construction of a building at a cost of $4,720,000 and first occupied it in january 1999 . It was estimated that the bollding will have a usefull life of 40 ye ars and a salvage value of $210800 at the end of thit time Early in 2007, an addition to the building was constructed at a cost of $1,770,000. At that time it was estimated that the remaining life of the building would be, as originally estimated, an additional 32 years, and that the addition would have a life of 32 years, and a salvage value of $22,800. In 2027. it is determined that the probable life of the building and addition will extend to the end of 2048 or 10 years beyond the original estimate. (a) Using the straight - fine method compute the annual depreciation that would have been charged from 1999 through 2006. Annual depreciation from 1999 through 2006 s