Equipment costing $19,200 with a 10-year useful life and an estimated $3,200 salvage value is acquired and started operating on January 1. The equipment is estimated to produce 2,000 units of product during its life. It produced 300 units in the first year. Compute depreciation for year: 1 Cost $19,200 Estimated useful life 10 years Salvage value $3,200 Estimated total units of production 2,000 units Units produced in first year 300 units Required: "1. Compute depreciation for the first year under straight-line. " 2. Compute depreciation for the first year under units-of-production. 3. Compute depreciation for the first year under double-declining-balance