Answer: Option A
Explanation:
A. Depreciation lowers the book value but not fair value of the asset.
B. Depreciation is the method of allocating expense of the asset and to calculate the return as per that expenditure hence it matches revenue with expense .
C. Depreciation is the method of allocating cost of the asset over its useful life.
D. Depreciation can only be calculated on tangible assets with useful life,for other assets process of amortization is used.