Answer:
book value at the end of year 3 = $115,200
Step-by-step explanation:
![\left[\begin{array}{ccccc}$Year&$Beginning&$Dep-Expense&$Acc. \: Dep&$Ending\\0&-&-&-&400,000\\1&400,000&80,000&80,000&320,000\\2&320,000&128,000&208,000&192,000\\3&192,000&76,800&284,800&115,200\\\end{array}\right]](https://img.qammunity.org/2020/formulas/business/college/c2fe46fp0rmoxxd5hlg0u7rifk43laxvi9.png)
Year 1 Depreciation expense
400,000 x 20% = 80,000
Year 2 Depreciation expense
400,000 x 32% =128,000
Year 3 Depreciation expense
400,000 x 19.2% = 76,800
Book value = carrying value - depreciation for the year
or
purchase - accumulated depreciation