Depreciation by units-of-activity Method
Prior to adjustment at the end of the year, the balance in
Trucks is $419,400 and the balance in Accumulated
Depreciation—Trucks is $124,880. Details of the subsidiary ledger
are as follows:
Truck
No.
Cost
Estimated
Residual
Value
Estimated
Useful
Life
Accumulated
Depreciation
at Beginning
of Year
Miles
Operated
During
Year
1
$83,000
$12,450
220,000
miles
—
33,000
miles
2
115,400
13,848
280,000
$23,080
28,000
3
96,000
13,440
200,000
$76,800
20,000
4
125,000
15,000
420,000
$25,000
50,400...