Answer:
$2,397
Step-by-step explanation:
Straight line method charges a fixed amount of depreciation
Depreciation Charge = (Cost - Residual Value) ÷ Estimated useful life
therefore,
Annual depreciation charge
2019
Depreciation Charge = $1,428
2020
Depreciation Charge = $1,428
2021
Depreciation Charge = ($8,160 - $1,428 - $1,428 - $510) ÷ 2
= $2,397
therefore,
Depreciation expense, 2021 is $2,397