Knife Edge Company purchased tool sharpening equipment on July 1, 20Y5, for $16,200. The equipment was expected to have a useful life of three years and a residual value of $900.

I need help on last part on 20Y8 I put in 1200 and it says it is wrong.

Instructions: a. Determine the amount of depreciation expense for the years ended December 31,20 Y5, 20Y6, 20Y7 and 20 Y 8 by the straight-line method. b. Determine the amount of depreciation expense for the years ended December 31,20 Y5, 20Y6, 20Y7 and 20 Y 8 by the double-declining-balance method. Round the double-declining-balance depreciation rate to six decimal places and round your final answers to the nearest whole dollar