There are two main methods of calculating depreciation: straight line and reducing balance. Which one of the definitions describes the reducing balance method?

A. An amount calculated on the basis of the anticipated economic life based upon the number of hours for which the asset is expected to be used

B. An amount calculated using a fraction is computed by dividing the remaining useful life of the asset on a particular date by the sum of the year's digits

C. An amount calculated by deducing the percentage of the carrying amount each year over the life of the asset until the residual value is reached

D. An amount calculated by deducting the same amount each year over the life of the asset until the residual value is reached