Equipment purchased at the beginning of the fiscal year for $400,000 is expected to have a useful life of 5 years, or 14,000 operating hours, and a residual value of $20,000. Compute the depreciation for the first and second years of use by each of the following methods: (a)straight-line (b)units-of-production (1,400 hours first year; 3,250 hours second year) (c)declining-balance at twice the straight-line rate