Billy's Exterminators, Inc., has sales of $90506, costs of $12980, depreciation expense of $7159, interest expense of $3062, a tax rate of 31 percent and paid out $2490 in cash dividends. What is the addition to retained earnings? Round your final answer to the nearest dollar amount. Omit the "$" sign and commas in your response. For example, $123,456.78 should be entered as 123457)