Bulldozer Example - A business buys a bulldozer on the first day of the year for $279,900. The bulldozer is estimated to have a useful life of 9 years and a residual value of $9,900. It will be depreciated using the straight-line method. 4. Bulldozer Example - What amount of annual depreciation expense will the company record on this Bulldozer? a. $189.900 d. $30,000 b. $31,100 e. $270,000 $0 5. Bulldozer Example - After 3 years, what will be the asset's net book value? a $30,000 d. $186,600 b. $189.900 e. $93,300 c. $90,000