Answer:
Instructions are listed below.
Step-by-step explanation:
A)Straight line:
Annual depreciation= (original cost - salvage value)/estimated life (years)
B) Sum of the years:
Depreciation expense= (remaining useful life/sum of the years' digits)/depreciable cost
C)Double depreciation:
Annual depreciation= 2*[(original cost - residual value)/estimated life (years)]
D) Units method:
Annual depreciation= [(original cost - salvage value)/useful life of production in units]*units produced