3. The account of accrued income had, on 12/31/ N, a debit balance of $5,000. This means that such amount: It is an amount payable in the period N +1. The economic periodization of income was not carried out. Income was considered in period N. All previous None correct 4. Which of the following operations, relating to N, constitutes the increase in expenses: Electricity payment for December of year N. Holiday charges payable in N +1. Payment of office rent for January N + 1 Payment of insurance valid from 30/11/N to 30/11/N +1 None correct 5. If during the accounting period an income has occurred, but it has not been received or accounted for, regularization at the end of the year should involve: An asset account and a liability account. An asset account and an income account. An expense account and a debt payable account. An expense account and an income account None correct PART IV