Blue Fin started the current year with assets of $706,000, liabilities of $353,000 and common stock of $206,000. During the current year, assets increased by $406,000, liabilities decreased by $53,000 and common stock increased by $281,000. There was no payment of dividends to owners during the year. Based on this information, what was the amount of Blue Fin's retained earnings at the beginning of the year