Answer:
$4366.67
Step-by-step explanation:
Given: Asset book value on july 1, year 3= $57800
Salvage value= $5400
Useful life left= 6 years.
Now, computing the depreciation expense under straight line method.
Formula; Depreciation=
![(Asset\ book\ value - salvage\ value)/(useful\ life)](https://img.qammunity.org/2020/formulas/business/college/mx45553qmzuwtgu81rg9aunhljbm01l5zl.png)
Useful life in months=
![6* 12= 72\ months](https://img.qammunity.org/2020/formulas/business/college/lti9qgggcr1ddyutfpnc0qncmqgq3e2hwg.png)
Next, Depreciation expense=
![(57800-5400)/(72) = \$ 727.77](https://img.qammunity.org/2020/formulas/business/college/k1s81pg3pl0mnt5uvxo384ot0182q57q32.png)
∴ Monthly depreciation expense= $ 727.77
Depreciation expense for last six months of year 3=
![727.77 * 6= \$ 4366.67](https://img.qammunity.org/2020/formulas/business/college/rj5gjhdppvw71m8gkmd7sifc32makf6wyq.png)
∴ Depreciation expense for last six month of year 3 is $4366.67.