Answer:a
Explanation:
Cost of Trailer - $188,000
Salvage value $28,000
Useful life: 8 years
Depreciable amount - $160,000
Expected miles coverage - 352,000
Mileage in 2020 = 44,500
Mileage in 2021 = 41480
Depreciation rate = 1/8*100 = 12.5%
Straight line :
160,000/8 = 20,000 Â Â Â Â Â Â Â Â Â Â 2020 Â Â Â Â Â Â Â Â Â Â Â 2021
                           20000           20000
Units of production  (44500/352000*160000) (41480/352000*160000)
                          20,227.27            18,854.54
Double declining          25%*188000       25%*141000
balance                     47000            35250