6) A machine with a 3-year life and salvage value of $100 is purchased for $6,100 on July 1, 2013. Determine the annual depreciation and year-end book value for each year under sum- of-the-years-digits (SYD) method (show your calculations and your results on the following table) Year Depreciation expense Year-end Book Value 2013 2014 2015 2016