Equipment with a residual value of $50,000 at the end of 10 years was acquired at the beginning of 2019 for $500,000. Assuming the use of the straight-line depreciation method, the journal entry to record depreciation expense for 2021 will have a debit to a. Depreciation Expense and a credit to Equipment for $45,000 b. Depreciation Expense and a credit to Accumulated Depreciation for $50,000. c. Depreciation Expense and a credit to Accumulated Depreciation for $45,000. d. Accumulated Depreciation and a credit to Equipment for $50,000