Use the following to answer questions 5-15 (Straight Line, 180% declining balance and Activity Based) T Transport purchased a new semi-trailer truck for an acquisition cost of $250,000. The company estimates the truck will have a residual value of $50,000 when they are done using it at the end of 4 years or about 500,000 miles. Answer 5-8 based on Straight line depreciation 5. $_ 6. $_ 7.$__ Year 2 depreciation expense Book value at the end of year 2 Accumulated depreciation for year 3 Book value at the end of year 3 8. $