Please explain how do you solve this

Current Attempt in Progress The income statement for the Kingbird, Inc. for the month ended July 31 shows Service Revenue $19,520, Salaries and Wages Expense $8,620, Maintenance and Repairs Expense $2,920, and Income Tax Expense $1,240. The statement of retained earnings shows an opening balance for Retained Earnings of $24,290 and Dividends $1,600. Id What is the ending balance in Retained Earnings? Ending balance in Retained Earnings $