solve part B ONLY what is the ending balance in retained earnings ? will upvote thanks :)

The income statement for the Tamarisk, Inc. for the month ended July 31 shows Service Revenue $18,470, Salaries and Wages Expense $9,380, Maintenance and Repairs Expense $4,220, and Income Tax Expense $1,210. The statement of retained earnings shows an opening balance for Retained Earnings of $21,500 and Dividends $1,980. (a) Prepare closing journal entries. (If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts. Credit account titles are automatically indented when the amount is entered. Do not indent manually.) What is the ending balance in Retained Earnings? Ending balance in Retained Earnings $