Silverman Company purchased machinery for $$\$ 162,000$$ on January 1,2022 . It is estimated that the machinery will have a useful life of 20 years, residual value of $$\$ 15,000$$, production of 84,000 units, and working hours of 42,000 . During 2022, the company uses the machinery for 14,300 hours, and the machinery produces 20,000 units. Compute depreciation under the straight-line, units-of-output, working hours, sum-of-the-years'digits, and double-declining-balance methods.