New birth Coatings Company purchased waterproofing equipment on January 2, 2009, for $380, 000. The equipment was expected to have a useful life of four years, or 8, 000 operating hours, and a residual value of $36, 000. The equipment was used for 3, 000 hours during 2009, 2, 500 hours in 2010, 1, 400 hours in 2011, and 1, 100 hours in 2012. Calculations: straight-line method: per year Units-of-production method: per hour 2009 2010 2011 2012 Declining-balance method: 2009 2010 2011 2012 Instructions Determine the amount of depreciation expense for the years ended December 31, 2009, 2010, 201 l, and 2012, by (a) the straight-line method, (b) the units-of-production method, and (c) the double-declining-balance method. Also determine the total depreciation expense for the four years by each method. The following columnar headings are suggested for recording the depreciation expense amounts