A business's source documents: Multiple Choice Include the ledger. Provide objective evidence that a transaction has taken place. Must be in electronic form. Are records of all increases and decreases in specific asset. Include the chart of accounts. Unearned revenues refer to a(n): Multiple Choice 0 Asset that will be used over time. 0 Expense incurred because a customer has paid in advance. 0 Liability that is settled in the future when a company delivers its products or services. 0 Increase in assets as a result of delivering products or services to a customer. 0 Decrease in an asset. The record of all accounts and their balances used by a business is called a: Multiple Choice o Journal. o Chart of accounts. o General Journal. o Balance column journal. o Ledger (or General Ledger). Which of the following statements is incorrect? 1 0 Adjustments to prepaid expenses and unearned revenues involve previously recorded assets and liabilities. 0 Accrued expenses and accrued revenues involve assets and liabilities that had not previously been recorded. 0 Adjusting entries can be used to record both accrued expenses and accrued revenues. 0 Prepaid expenses, depreciation, and unearned revenues often require adjusting entries to record the effects of the passage of time. 0 Adjusting entries affect only balance sheet accounts