Equipment costing $38,400 with a 8-year useful life and an estimated $6,400 salvage value is acquired and started operating on January 1. The equipment is estimated to produce 4,000 units of product during its life. It produced 600 units in the first year. Record the journal entries for equipment depreciation for the first year under straight-line, units-of-production, and double-decliningbalance. Journal entry worksheet Record depreciation for the first year under straight-line. Note: Enter debits before credits. Journal entry worksheet Record depreciation for the first year under units-of-production. Note: Enter debits before credits. Journal entry worksheet Record depreciation for the first year under double-declining-balance. Note: Enter debits before credits