Prepare a schedule of cost of goods sold.

Superior Company provided the following data for the year ended December 31 (all raw materials are used in production as direct materials): Inventory balances at the beginning and end of the year were as follows: The total manufacturing costs added to production for the year were $683,000; the cost of goods available for sale totaled $740,000 the unadjusted cost of goods sold totaled $660,000; and the net operating income was $30,000. The company's underapplied or overapplied overhead is closed to Cost of Goods Sold