1- " If the asset is expected to have no residual value, the DB method will never fully depreciate it, so the DB method is typically changed to straight-line at some point in the asset’s life"
this sentence is quoted form schewezer, can someone explain it by a numerical example?
2- is there any difference between Accelerated depreciation and DDM?
2 - A square is a specific form of rectangle. Similarly, DDM is a specific form of accelerated depreciation. The first year of DDM is 2x the value of what straight-line depreciation would be. Accelerated Depreciation could be 1.5x, 3.5x, 15x, or any other multiple (as long as it is >1.0) of the value of straight line depreciation.