Which of the following is an example of a temporary account that should be closed at year end? (hint look up temporary accounts and permanent accounts in your book if you are unsure). Temporary accounts are closed to Retained Earnings at the end of the year. Select one: a. Accounts Payable b. Unearned Service Revenue Oc. Prepaid Rent O d. Supplies Expense X Company's end of the year trial balance shows revenue of $100,000 and total expenses of $30,000.The balance in X's retained earnings account before preparing and posting closing entries is $200,000. What is the balance in the retained earnings account on X's end of the year balance sheet after preparing and posting closing entries? Select one: O a. $100,000 O b. $270,000 Oc. $70,000 O d. $330,000