The ledger of Cullumber Company contains the following balances: Owner's Capital $30,700,0 wner's Drawings $1,700,5 Service Revenue $49,000, Salaries and Wages Expense $26,500, and Supplies Expense $6,100. Prepare the closing entries at December 31. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts. Dec. 31 Income Summary Service Revenue (To close expense accounts) Dec. 31 Service Revenue Unearned Service Revenue (To close net income/ (loss)) Dec. 31 Salaries and Wages Expense Salaries and Wages Payable (To close drawings)