company A had merchandise inventory of $50,000 on January 1,2015. company A had MERCHANDISE INVENTORY $ 55,000 on december 31,2015 company A had the following account balances at december 31,2015: freight-in $ 4,000 purchases $509,000 purchase discounts $6,000 purchase returns and allowances $2,000 sales revenue $840,000sales discounts $6,000 sales returns and allowances Company A'scost of goods sold for 2015 is $ ____________