Answer:
c. Sum-of-the-year's digits
Step-by-step explanation:
As the asset has a three year life,
So, the sum of the digits is
= 3 + 2 + 1
= 6
Now
Depreciation expense for year 3 is
= (Cost of the plant - salvage value) × 1 ÷ total life
= ($43,600 - $10,900) × 1 ÷ 6
= $5,450
Hence, the sum of the year digits depreciation method is used