Flounder Company had the following adjusted trial balance.

Date Account Titles and Explanation June 30 Service Revenue Income Summary (To close revenue account) June 30 Debit Credit Salaries and Wages Expense Miscellaneous Expense Supplies Expense (To close expense accounts) June 30 Income Summary 900 Retained Earnings (To close net income / (loss)) June 30 Retained Earnings 540 Dividends 900 (To close dividends) Prepare a post-closing trial balance