Answer:
A) Is the systematic allocation of the cost of an intangible asset to expense over its estimated useful life
Explanation:
Amortization is the spreading of the cost of an intangible asset to expense it over it's useful life.
Amortization is typically expensesd using the straight line method.
Amortization is used to expense the cost of intangible assets over its useful life.
Depreciation is used to expense the cost of tangible assets over its useful life.
Depletion is used to expense the cost of natural resouces over its useful life.