Cullumber Optical Ltd$.$ purchased optical lens coating equipment for $$87,000$ on January $1,2024.$ At that time, management

determined that the equipment would have a useful life of five years and a residual value of $$17,200.$ Cullumber uses the straight$-$line

depreciation method. On January $1,2027,$ management revised its initial estimates and determined that the lens coating equipment

would have a useful life of eight years, rather than five years, and that it would have a residual value of $$13,000$ at the end of that time.

Determine the depreciation expense for $2027.$