he Denver Metal Shop purchased a stamping machine for $157,000 on march 1, 2009. The machine is expected to have a useful life of 10 years, a salvage value of $27,000, a production of 250,000 units and working hours of 30,000. During 2010, Denver used the stamping machine for 2,450 hours to produce 23, 450 units. From the information given, compute the depretiation expense for 2010 under each of th efollowing method:
(a) Straight-Line
(b) Units of production
(c) Working hours
(d) Double-declining-balance(without conversion to straight line)
(e) Double-declining-balance(with conversion to straight line)