Whispering Company purchased machinery for $165,900 on January
1, 2017. It is estimated that the machinery will have a useful life
of 20 years, salvage value of $14,700, production of 91,100 units,
and working hours of 46,100. During 2017, the company uses the
machinery for 13,369 hours, and the machinery produces 12,754
units. Compute depreciation under the straight-line,
units-of-output, working hours, sum-of-the-years’-digits, and
double-declining-balance methods. (Round intermediate
calculations to 5 decimal places, e.g. 1.56487 and final answers to
0 decimal...