III The ledger of Manar Company contains the following balances: Retained Earnings $120,000; Dividends $8,000; Service Revenue $160,000; Salaries Expense $108,000; Rent Expense $36,000; and interest revenue $30,000. the balance in Income Summary account after closing of all revenue accounts will be Select one: O a credit balance of $190,000. $0. O a credit balance of $144,000. O a credit balance of $46,000