East River Tug Co. purchased a new tugboat for $400,000. The useful life is estimated at 10 years, with an estimated residual value of $20,000. The company uses the half year convention. Complete the table below for the first 3 years of depreciation using the straight-line method:

Straight-Line Method

Year	Depreciation Expense	Accumulated Depreciation	Book Value
1
2
3