43. (3 points) Evan Company purchased a machine for $600,000 on August 1, 2010. Evan estimates the machine will have a ten-year useful life and a salvage value of $40,000. Evan calculates depreciation for a year to the nearest full month. Compute Evans depreciation for 2012 assuming he uses the following depreciation methods:

a)Sum-of-the-years digits

b)Double-declining balance