The following information comes from an American Airlines baggage-handling truck.

Item	Amount
Cost of truck	$41000
Estimated residual value	1000
Estimated useful life:Years	5years
Units of production	100000miles
First year	20000miles
Second year	30000miles
Third year	25000miles
Fourth year	15000miles
Fifth year	10000miles

Please use straight-line method,units of production method, double-declining balance method to fill in the following table ,and each method need a table.

Straight-line method

Year	Assets Cost	Rate	Depreciation   Expense	Accumulated Depreciation	Book Value at   Ending
1	41000
2
3
4
5

Units of production method

Year	Assets Cost	Rate	Depreciation   Expense	Accumulated Depreciation	Book Value at   Ending
1	41000
2
3
4
5

Double-declining balance method

Year	Assets Cost	Rate	Depreciation   Expense	Accumulated Depreciation	Book Value at   Ending
1	41000
2
3
4
5