Included are entries from a journal kept by a reporter for the Oquawka Spectator newspaper who traveled with one of the wagon trains, which apparently both departed from Oquawka on the 25th of March, 1850.
The double declining balance depreciation method is an accelerated depreciation method that counts twice as much of the assetâs book value each year as an expense compared to straight-line depreciation. The formula is:
To go back to the beginning, see the Table of Contents. 1  Comparing Depreciation Methods. 2  Depreciation and Amortization on the Income Statement. 3  Sum of the Years' Digits Accelerated Depreciation Method. 4  Learn to Calculate Return on Assets (ROA) and Why It Is Important. 5  How to Calculate Double Declining Balance Depreciation.