Answer:
$9,000
Step-by-step explanation:
The computation of the depreciation expense using the straight-line method is shown below;
= (Purchase value of machinery - residual value) ÷ (estimated useful life)
= $54,000 ÷ 6 years
= $9,000
The depreciation cost is the cost which is come after considering the salvage value and the same is to be considered
Hence, the depreciation expense is $9,000