3. The Retained Earnings, Dividends, and Income Summary accounts to Shop, Inc. for the accounting period are presented below in T account form ante recording and posting of closing entries. vidends, and Income Summary accounts for Gegor's Repair clos Retained Earnings 12/31 100 1/1 12/31 300 500 300 3/1 6/1 9/1 Dividends 100 12/31 100 100 12/31 Income Summary 1,000 12/31 12/31 900 100 From the T accounts, determine the following: a. Revenue for the period b. Net income (or net loss) c. Dividends for the period d. Ending balance of Retained Earnings Page 3