Answer:
a.
The depreciable cost is $380550
b.
The depreciation rate is $8.85 per mile
Explanation:
a.
The depreciable cost is the cost that qualifies to be charged as depreciation expense over the estimated useful life of the asset. The depreciable cost is the cost of the asset less salvage or residual value of the asset.
Depreciable cost = Cost - Residual value
Depreciable cost = 405000 - 24450 = $380550
b.
The depreciation rate under units of production method for depreciation is the per unit depreciation expense. The per unit depreciation under this method is calculated as follows,
Per unit Depreciation or Depreciation rate = 380550 / 43000 = $8.85 per mile