Answer: The answer is d 10%
Step-by-step explanation:
Rate = Annual depreciation /Cost of Asset
Cost = $180,000 Salvage value at the end of the useful life of the machine =$12,000
Since we are given monthly depreciation, we multiply it by 12 to get the annual depreciation
=1,400*12=16,800
We subtract the salvage value from cost to know the real cost of the machine at the end of the useful life
180,000-12,000=168,000
Therefore to calculate rate
= Annual depreciation /Cost of the machine
= 16,800/168,000
= 0.1 *100
=10%
Therefore the annual depreciation rate is 10%