Based on the strategies Southwest Airlines uses to contribute to profitability, a change in which of the following would most quickly and noticeably affect passenger satisfaction? 4. Which of the following is an example of an accrual? a. Debit Office Supplies Expense, credit Office Supplies b. Debit Wages Expense, credit Wages Payable C. Debit Rent Expense, credit Prepaid Rent d. Debit Unearned Revenue, credit Revenue from Services