On January 1,2025 , a corporation acquired equipment for $160,000. Residual value was estimated to be $40,000. The equipment has a useful life of four years. What is the journal entry for depreciation expense for the first year calculated by the straight-line method? DR Accumulated Depreciation 30,000 CR Depreciation Expense - Equipment 30,000 DR Depreciation Expense - Equipment 40,000 CR Accumulated Depreciation 40,000 DR Depreciation Expense - Equipment 30,000 CR Accumulated Depreciation 30,000 DR Accumulated Depreciation 40,000 CR Depreciation Expense- Equipment 40,000