A constructed plant asset
capitalizes Materials, Labor, Incremental overhead, and Capitalized interest. Depreciable base is the lower of cost or fair market value
Depreciation expense
Is a selling and general admin expense
Double declining balance depreciation
Cost x (2/useful life) YR 2 = Cost - YR 1 dep x (2/useful life)
Sum of the Year Digit depreciation
(Useful life/sum of useful life 1+2+3 ect.)x (carry value - residual value