Answer:
a. The depreciable cost is $72000.
b. The depreciation rate is $0.36 per mile.
c. The depreciation expense for the year is $6480.
Explanation:
a.
The depreciable cost is the cost that is eligible for depreciation. It is calculated by deducting the residual value from the cost of the asset.
Depreciable cost = Cost - residual value
Depreciable cost = 80000 - 8000 = $72000
b.
The depreciation rate can be calculated by dividing the depreciable cost by the total estimated useful life of the asset.
The depreciable rate = 72000 / 200000 = $0.36 per mile driven
c.
The units of activity depreciation for the year is,
Depreciation expense = 0.36 * 18000 = $6480