Depreciation expense for a period using straight-line method is computed by taking the Select one: O a. original cost of an asset - accumulated depreciation. O b. cost of the asset + useful life O c. depreciable cost of the asset + depreciation rate. d. market value of the asset + useful life The following balances appear on XYZ trial balance on Dec 31, 2019: Receivables $200,000 - Allowance for irrecoverable receivables $14,000. The allowance for receivables is to be set at 5% of met receivables at 31 December 2019. Accordingly, the adjusting entry at the end of 2019 would be: Select one: O a. Debit irrecoverable receivables expense $10,000 and credit the allowance $10,000. O b. Debit the allowance $4,000 and credit irrecoverable receivables expense $4,000 O c. Debit irrecoverable receivables expense $14,000 and credit the allowance $14,000 O d. Debit the allowance $4,000 and credit receivables $4,000