Depletion is:

A) The process of allocating the cost of natural resources to the period when it is consumed.
B) Calculated using the double-declining balance method.
C) Also called amortization.
D) An increase in the value of a natural resource when incurred.
E) The process of allocating the cost of intangibles to periods when they are used.

Depletion is the process of allocating the cost of natural resources to the period when it is consumed. Option B refers to depreciation, option C refers to amortization of intangible assets, option D is incorrect as an increase in the value of a natural resource is called appreciation, and option E refers to amortization of intangible assets.